In 1978 Peter Brett saw 4 performances during 2 concerts with 4 bands at 1 venue in 1 location.

Date   Concert   Venue   Location  
Dec 12, 1978
Boston / Sammy Hagar

Boston - Don't Look Back Tour

  Photos
Cumberland County Civic Center Portland, Maine, United States
Aug 23, 1978
Doobie Brothers / The Fools

The Doobie Brothers - Minute By Minute Tour

  Photos
Cumberland County Civic Center Portland, Maine, United States