The piccolo plays an octave higher than the regular treble flute. Tenor banjo is commonly notated in treble clef. Features a switchable onboard preamp with bass/treble controls. It is possible to switch between treble and bass clefs. It is identical to the treble clef transposed down 2 octaves. Some computer speakers have equalization features such as bass and treble controls. Of these, the treble and bass clefs are by far the most common. Rembrandt was the bass, Hals the treble. Notes written in the treble clef are played with the hands. The most common oboe plays in the treble or soprano range. The alto, between the treble and the tenor, does not fit in this scheme. The piece is written for full choir, organ, and a treble or soprano soloist. The treble strings can be played on either side of the treble bridge. Other knobs are treble and volume. Rolling off all of the treble produces a dark, heavy sound.