Subbing for the illustrious Queen Bee! This was 70's Week at KALX, and I did a quick walk through the decade in 90 minutes or so. Not counting Tabla Beat Science and Patton Oswalt, the remaining 13 songs are roughly in the chronological order of their release dates.

Tabla Beat Science - Triangular Objects
Honey & the Bees - Love Addict (Sister Funk 2 comp)
Santana - Oye Como Va

Beatles - You Know My Name
Yes - The Fish
Cast - Hosanna (Jesus Christ Superstar soundtrack)
Son Imaginario - Nepal
Davis, Betty - Shoo-B-Doop and Cop Him

Parliament - Chocolate City
Pink Floyd - Welcome to the Machine
Styx - Come Sail Away
Oswalt, Patton - The Dukes of Hazzard
Crass - End Result

Devo - D.N.A./Smart Patrol
Dury, Ian - Reasons To Be Cheerful Pt. 3

Frith, Fred - Dancing in the Street