學識運用Capo，你就能在吉他彈到任何的Key!!
什麼是調(Key)?
『key』指的是歌曲的高低(調性)，不一定是『原曲調』。
仔細觀察鋼琴上會發現同一組黑白琴鍵一直在重複，事實上，每 12 個音就會循環一次，不論以哪個音作起點，而這 12 個音都可以組成自己的大調或小調。
＃(Sharpe)：升上半度；♭(Flat)：下降半度。
什麼是大調呢？
每一個大調都是從這12個音挑出7 個來組成。
以最常用的key就是『 C 大調 』: C 、 D 、 E 、 F 、 G 、 A 、 B ，共 7 個。亦是鋼琴上所有的白鍵！
因為有12個音，所以C 大調以外，還有其他 11 個大調。
不同的大調有不同的名稱，但它們音與音之間，其實有著同樣的音程是一樣的，就是全音、半音的排列方式。
*想了解更多有關音程可以閱讀我們以往的文章*
C 到 D 是全音，D 到 E 是全音， E 到 F 是半音， F 到 G 是全音， G 到 A 是全音，A 到 B 是全音， B 到 C 是半音。
全、全、半、全、全、全、半，這口訣就是『 大調 』的祕密。
要記住當中只有 E 、 F 和 B 、 C 是半音。
知道大調的原則後，就可以推出其他的大調了！
以 Eb 大調 為例，遵循著 C 大調 全音、半音的排列(全、全、半、全、全、全、半)，差別只在於起始音。
什麼 Key 的起始音就是什麼
E♭ 上一個全音是 F ， F 上一個全音是 G ， G 上一個半音是 A♭ ；
A♭ 上一個全音是 B♭ ， B♭ 上一個全音是 C ， C 上一個全音是 D ，
最後 D 往上一個半音是 E♭ ，回到起始音，不斷循環。
所以 E♭大調就是 E♭ 、 F 、 G 、 A♭ 、 B♭ 、 C 、 D！
以下是12 個大調的音：
什麼時候會需要轉調(key)?
當原key與主唱的聲調不符時，需要配合主調升key或降key。
正常女生的聲音比男生來得高，這是很顯而易見的事實，男生喜歡聽女生的歌，但是又沒有移 key，正歌就要唱高了，副歌更唱不上去，就移低八度來唱，雖然能唱，但不是太好聽。
什麼是key、Play、Capo?
在吉他教學書籍裡，一首完整的歌譜，在排頭的地方一定會打上包括作詞、作曲、演唱者；以及吉他彈奏所需的資訊，例如:Key、Paly、Capo、Rythm、Tempo、Tune等，當中最難理解是key、Play、Capo。
吉他教本上對key、Play、Capo的解釋
Key：原曲調號
Play：彈奏調號
Capo：移調夾所夾的琴格數
有樂器伴奏時，”唱歌的聲音” 是要和 ”樂器聲音” 互相配合的。所以不難發現在吉他歌譜上，開始所彈的第一個和弦就是這首歌的Key（原曲調號）。
但是另一個問題出現了，若歌曲的原Key是C，而我希望唱的Key是D那怎麼辦呢?
此時功能強大的 移調夾(Capo) 就出現啦，我們知道D是比C高一個全音(二個半音)的，而在吉他上的一格即代表一個半音的差距，所以我們只要把移調夾夾在吉他的第二格，並且按照原本歌譜上的和弦進行彈奏，那Key就從C變成D囉，在吉他歌譜上就會註記成 ”Capo：2”。
在吉他歌譜上若註記Play：C，表示這首歌曲用到的和弦進行是以C大調常用的和弦為主：C、Dm、Em、F、G、Am、G、Bdim。你可以驗証看看是不是Play C歌曲中都是用這些和弦的，有時也會出現一些其他的和弦，例如G7、D、Dm7…等。
如何用capo轉調?
例子
Play：A
Key：A
Capo：0
因為Play為A，Key就是A，不需使用移調夾
但若希望升Key成為C，C比A高三個半音，Capo就要夾在第三格，此時這三個之間的關係將成為
Play：A
Key：C
Capo：3
CAPO的用處是升KEY，把難彈的原調變得易彈。
易彈的key有…
第一是C key，第二是G，第三是F：
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和弦級數
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Key
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I
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II
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III
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IV
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V
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VI
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C
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C
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Dm
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Em
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F
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G
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Am
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G
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G
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Am
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Bm
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C
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D
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Em
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F
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F
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Gm
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Am
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Bb
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C
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Dm
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C key 中常用的六個和弦都是開放的，G key中有一個封閉和弦Bm，
而F key中則有兩個封閉和弦。
彈結他時會遇到不同的key，用以上三個key可以方便自己。
假設我們現在想彈D key的歌，但覺得D key的和弦有點難，那就可以彈C key。
那CAPO應該夾在第幾格呢？
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想彈的KEY
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+
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Capo
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=
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原key
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C
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2
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D
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因為C和D中間有兩個半度，所以是加兩格，CAPO也就夾在第二格。
大家可以參考以下，遇上其他KEY時，可以怎麼夾CAPO：
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想彈的KEY
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+
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Capo
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=
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原key
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C
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4
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E
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C
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3
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Eb
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F
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0
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F
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F
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1
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F#
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G
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0
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G
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G
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1
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G#
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G
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2
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A
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G
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3
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A#
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G
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4
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B
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逆月音樂為你提供最好的吉他CAPO 立即遊覽
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Using Capo, you can play any key in the guitar!!
What is a key?
"Key" refers to is the main group of pitches, or notes, that form the harmonic foundation of a song.
Carefully observe the piano will find that the same group of black and white keys have been repeating. In fact, every 12 notes will be loop once, no matter which sound start, these 12 notes can form their own major or minor key.
# (Sharpe): Rise half step/half tone ; ♭ (FLAT): Lower half step/half tone.
What is a major key?
Every major key is from this 12 notes to make 7 notes.
With the most commonly used Key is "C major": C, D, E, F, G, A, B, and a total of 7. It is also all white keys on the piano!
Because there are 12 notes, there are other 11 major outside the C major.
Different major key have different names, but they are in sound and sounds, in fact, the interval between notes are the same, is the full tone, half tone arrangement.
* Want to know more about the interval can be read in our previous article *
C to D is full tone, D to E is full tone, E to F is half tone, F to G is a full tone, G to a is full tone, A to B is full tone, B to C is half tone.
full, full, half, full, full, full, half, this is the secret of "Major-key".
Remember that only E, F and B, C are half tone.
After knowing the principles of the Major key, you can find out other major key!
Taking the E♭ major as an example, follow the C major interval arrangement (full, full, half, full, full, full, half), the difference is only the starting note.
E♭ up a full tone is F, F up a full tone is G, and G up a half tone is A♭;
A full tone up on A♭ is B♭, and a full tone up on B♭ is C, and C up a full tone is D,
Finally D up a half tone is E♭, returning to the starting tone, constantly looping.
So the E♭ Major is E♭, F, G, A♭, B♭, C, D!
The following is a notes of 12 major:
When will I need to transfer a Key?
When the original key does not match the tone of the main singer, it is necessary to transfer the Key upper or lower to match the singer and instrument.
The sound of normal girls is higher than the boys. This is very obvious. The boy likes to listen to the girl's song, but with the original key, the song needed to sing higher. Although you may sing it, but it may not be best fit for you.
What is Key, Play, Capo?
In guitar teaching books, a complete song spectrum will surely include the information: lyrics, composers, singing people; as well as information for guitarists, such as Key, Paly, Capo, Rythm, Tempo, Tune, etc. The most difficult understanding is KEY, Play, Capo.
When there is a musical instrument, "Singing Voice" is to cooperate with "musical instrument". So it is not difficult to find it on the guitar song, the first chord that is playing is the key of this song.
But another question appears, if the original key of the song is C, and what do I want to sing the D key, what should I do?
At this time, the powerful shift adjustment (CAPO) appears, we know that D is a full tone (two halftone) than C, and a fret of the guitar represents a half tone, so we need to move up two fret in order to transfer the key. The CAPO needed to place on the second fret of the guitar and play in accordance with the chord of the original song, in this case is C, that Key will become D. Usually, it will be written as "CAPO: 2" on the guitar book.
In the guitar song, if PLAY: C is noted, the chords used in this song are mainly chords commonly used in C major: C, DM, EM, F, G, AM, G, BDIM. You can verify that it is useful in the Play C song, sometimes some other chords, such as G7, D, DM7 …, etc.
How to transfer with CAPO?
Example
Play: A
Key: A
Capo: 0
Because Play is A, Key is A, do not need to use a shift
But if you want to rise to C KEY, which C is higher than A, CAPO is needed to place on the third fret, at this time, it will become
Play: A
Key: C
Capo: 3
The use of Capo is rise a KEY, which makes it easier the play in the original key.
Some keys that are easier to play…
The first is C Key, the second is G, the third is F:
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Chords
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Key
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I
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II
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III
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IV
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V
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VI
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C
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C
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Dm
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Em
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F
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G
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Am
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G
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G
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Am
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Bm
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C
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D
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Em
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F
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F
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Gm
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Am
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Bb
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C
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Dm
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The six chords commonly used in C Key are open, and there is a closed.
For G Key, there has one closed chord Bm.
There are two closed chords in F Key.
Different keys will be encountered when you use the above three keys and p[lay with a CAPO.
Suppose we want to play D KEY songs now, but think that the chord of D Key is a bit difficult, then you can play C Key.
Which fret should the Capo be placed?
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Playing KEY
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+
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Capo
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=
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Original key
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C
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2
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D
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Because there is two half tone between C and D, it is plus two fret, and CAPO is placed in the second fret.
You can refer to the following, how can you place the Capo when you meet other keys:
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Playing KEY
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+
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Capo
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=
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Original key
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C
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4
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E
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C
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3
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Eb
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F
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0
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F
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F
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1
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F#
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G
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0
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G
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G
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1
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G#
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G
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2
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A
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G
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3
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A#
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G
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4
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B
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