The Trapp Family Singers recorded hundreds of choral and instrumental works. "One Voice" is the first definitive compilation of the choir's musical history, spanning the 1930s, 1940s, and 1950s. An incredible 72 track 2 CD set, including a wide variety of musical styles with sacred music, featured madrigals and instrumentals plus Austrian and international folk songs. Historical recordings by the singers who inspired "The Sound of Music" which in turn inspired audiences around the world.