In 1973 J. Greg Tharp saw 2 performances during 2 concerts with 2 bands at 1 venue in 2 locations.

Date Concert Venue Location
Oct 24, 1973
The Doobie Brothers DAR Convention Hall Washington, D.C., United States
Jul 26, 1973
Jethro Tull

Thick as a Brick Tour

Fort Worth, Texas, United States