In 1977 Krock saw 4 performances during 2 concerts with 3 bands at 2 venues in 2 locations.

Date   Concert   Venue   Location  
Oct 18, 1977
The Babys / Piper
  Photos   Setlists
Orpheum Theatre Boston, Massachusetts, United States
Mar 30, 1977
Electric Light Orchestra / Piper
  Photos   Setlists
Boston Garden Boston, Massachusetts, United States