1964

K. Stephanovsky, 20 Studies for Bass Trombone or Trombone with F attachment. ed. Keith Brown.

1960s and 70s—Classical music’s historical movement, as well as discovery of several important alto trombone solos (including Wagenseil Concerto, Michael Haydn Larghetto and Divertimento in D, and Albrechtsberger Concerto), leads to resurgence of alto trombone.

1960s and 70s—Trombonists Stuart Dempster (b. 1936) and Vinko Globokar (b. 1934) very actively advocate trombone as avant-garde instrument.