Rainbow is the name of at least four bands:
These are photos from concerts where Rainbow played, so they may be of other bands that played the concert as well.
Rainbow Aug 5, 1981 Passaic, NJ Uploaded by Zimtrim
Rainbow / Rose Tattoo Jul 24, 1981 Newcastle upon Tyne, England, United Kingdom Uploaded by Tommo
Programme
Rainbow / Rose Tattoo Jul 19, 1981 Stafford, England, United Kingdom Uploaded by Jim Jones
TICKET STUBB
Rainbow / Rose Tatoo Jul 13, 1981 Leeds, England, United Kingdom Uploaded by Jim Jones
Rainbow / Rose Tatoo Jul 13, 1981 Leeds, England, United Kingdom Uploaded by Simon Lundy
Def Leppard / Rainbow Jun 11, 1981 Boulogne-Billancourt, Île-de-France, France Uploaded by Sylvain
Rainbow / Def Leppard Jun 10, 1981 Essen, North Rhine-Westphalia, Germany Uploaded by Zimtrim
Pat Travers / Rainbow May 9 - 10, 1981 Upper Darby, Pennsylvania, United States Uploaded by Zimtrim
Rainbow / Pat Travers May 8, 1981 Passaic, New Jersey, United States Uploaded by Zimtrim
Rainbow / Pat Travers May 1, 1981 Washington, D.C., United States Uploaded by Jeffrey Lee
Rainbow / Pat Travers / Krokus Apr 28, 1981 Flint, Michigan, United States Uploaded by Zimtrim