De la wiki en inglés. Sound example from fourth movement of Beethoven's 5th Symphony, recorded by Opus33 using an acoustic piano. This music is in the public domain. This recording is released into the public domain by Opus33.
Reverie' song for piano and voice words by Albert G. Dawes; music by Alexander Rea Marked 'Entered at Stationers Hall' (historic Australian censor & patent office)
Author: Words by Albert G. Dawes; music by Alexander Rea (1831? – 1909)
A synthesized rendition of Wolfgang Amadeus Mozart's "A Musical Joke" (German: "Ein musikalischer Spaß", K. 522), played on three violas staccato, three violas pizzicato, one cello pizzicato, and one English horn.