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 hard to find and can be quite expensive. The tuning chiefly employed on the Portuguese guitar was historically called "afinação do fado" or "afinação do fado corrido". It was probably developed in the early 19th century, as it was already largely adopted by Lisbon's "fadistas" by the mid-century. With the diminishing use of the natural tuning (see below) by players, this tuning came to simply be called either "afinação de Lisboa", when tuned high, in D, or "afinação de Coimbra", when tuned low, in C; this stems from the fact that while most Lisbon fado players tuned their guitars in