Once the 7th Street Entry opened, determining which shows were in the mainroom and which were in the Entry on various calendars is not necessarily easy. This is my best shot at mainroom shows:
The first show at Sam’s was the return of the Ramones on May 11, 1980, possibly opened by Wilma and the Wilburs and the Overtones. (Jon Bream, Minneapolis Star, May 9, 1980)