The Well-Tuned Piano recording made in 1962 cuts off suddenly after only an hour and a half. Young has also been influential to many composers and musicians throughout his life. Dennis Johnson cites Young as an influence in his composition, "The Second Machine", which is based on four single pitches of Young's "Four Dreams of China". Composer and critic Kyle Gann has said that "The Well-Tuned Piano", "may well be the most important American piano work since Charles Ives's "Concord Sonata", in size, in influence, and in revolutionary innovation." Gann has also called the piece "the most important piano work of the late
Guitar technician evocative sound. In an acid rock band, a guitar tech might have to manipulate the controls on a ring modulator or a rotating Leslie speaker cabinet to create unusual sounds while the guitarist is performing. Once the guitars have been tuned with an electronic tuner and strummed to ensure that they are in tune, the guitar tech usually sets up the different guitars on guitar racks, ensures that the leather or nylon straps are properly connected, and that the patch cords are plugged in properly. During the show, the guitar tech hands instruments to the guitarist or guitarists according to