Capo4意思

"Capo 4" is a term used in music, specifically in the context of playing stringed instruments such as the guitar, ukulele, or banjo. It refers to the use of a capo, which is a device used to raise the pitch of all the strings on the instrument simultaneously.

The number "4" in "Capo 4" indicates the fret position where the capo is placed. When a capo is placed on the fourth fret, it effectively raises the pitch of the instrument by four half-steps (or two whole steps). This means that if you play an open string with a capo on the fourth fret, it will sound two whole steps higher than the open string without the capo.

For example, if you have a guitar in standard tuning and you place a capo on the fourth fret, the open strings will then sound as if you were playing all fretted notes at the second fret (because you add the capo's four frets to the original open string's position).

Using a capo can change the key of a song without changing the fingering patterns for the chords, which can be particularly useful for vocalists who find certain keys more comfortable to sing in or for matching the key of a song to a singer's range. It can also create a brighter, higher sound on the instrument.