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
Portuguese guitar D, in Coimbra the students came to tune theirs in C as standard practice, mainly through the influence of Artur Paredes. It is important to note, however, that regardless of the difference in pitch between the two variations of the tuning, in practice, the latter still makes use of the former's aural conventions, as such a C is called D, a D is called E, etc., by the players (essentially making a Coimbra-tuned Portuguese guitar a transposing instrument similar to a B-flat trumpet in that a given note is referred to by the note name a whole step higher than