"Sleep Walk" is an instrumental song written, recorded, and released in 1959 by American instrumental rock and roll duo Santo & Johnny Farina, with their uncle Mike Dee playing the drums. Prominently featuring steel guitar, the song was recorded at Trinity Music in Manhattan, New York City. "Sleep Walk" entered Billboard's Top 40 on August 17, 1959. It rose to the number 1 position for the last two weeks in September and remained in the Top 40 until November 9. "Sleep Walk" also reached number 4 on the R&B chart. It was the last instrumental to hit number 1 in the 1950s and earned a gold record for Santo and Johnny. In Canada, the song reached number 3 in the CHUM Charts. In the UK it peaked at number 22 on the charts.

"Albatross" is a guitar-based instrumental by Fleetwood Mac, released as a single in November 1968, later featuring on the compilation albums The Pious Bird of Good Omen (UK) and English Rose (US). The piece was composed by Peter Green.