Belwin's 21st Century Guitar Library Guitar Ensemble Series An exciting new series of guitar ensemble music. Each title includes a full score and parts for four guitars and optional bass guitar. Teacher and student performance notes and a listening CD are included. Classical Gas arr. Bill Purse / ed. Aaron Stang Full Score, Parts and CD (ELM02017) "Classical Gas" is the most popular instrumental ever recorded. It was the first international hit recording to fuse classical and rock music, and it encouraged other successful fusion experiments by jazz, classical, and rock artists during the 1970s. This arrangement will make a great holiday or final concert selection. Intermediate/advanced level: appropriate for high school students in Levels 2 and 3 of the the 21st Century Guitar Method.