subcapo

A subcapo is a musical accessory used primarily with stringed instruments like guitars and ukuleles. It functions similarly to a standard capo, but with a key difference: a subcapo is designed to clamp onto the strings *behind* the main nut of the instrument. This allows for the creation of different open string tunings and voicings without permanently altering the instrument's nut.

When a subcapo is engaged, it effectively shortens the vibrating length of the strings that pass over it. This results in a higher pitch for those strings, creating a new set of open string sounds. For example, on a guitar, a subcapo could be used to raise the pitch of the lower strings, allowing players to achieve tunings like an open G or open D without retuning the entire instrument or using a standard capo on the fretboard.

The primary advantage of a subcapo is its flexibility. It allows musicians to experiment with a wide range of alternate tunings quickly and easily. This can be particularly useful for songwriters looking for new sonic palettes or for performers who need to switch between different tunings during a set. Subcapos are typically adjustable, allowing for precise control over which strings are affected and by how much. While not as common as standard capos, they are a valuable tool for musicians seeking to expand their harmonic and melodic possibilities.