The name Angel is used by, at least, 181 bands, according to https://www.discogs.com/
These are photos from concerts where Angel played, so they may be of other bands that played the concert as well.
Mahogany Rush / Angel / Humble Pie Jun 6, 1980 Toledo, Ohio, United States Uploaded by Cardude
Mothers Finest / Humble Pie / Mahogany Rush / Angel Apr 24, 1980 Columbus, Georgia, United States Uploaded by Ricky Racer
Mother's Finest Concert Ticket
Frank Marino & Mahogany Rush / Humble Pie / Mother's Finest / Angel Apr 23, 1980 Nashville, Tennessee, United States Uploaded by Zimtrim
Mother’s Finest / Angel / Humble Pie / Frank Marino & Mahogany Rush Apr 19, 1980 Hollywood, Florida, United States Uploaded by Hec The Wreck
Mother’s Finest / Angel / Humble Pie / Frank Marino & Mahogany Rush Apr 19, 1980 Hollywood, Florida, United States Uploaded by Tomsteck59
Mahogany Rush / Humble Pie / Angel / Mother's Finest Apr 6, 1980 Indianapolis, Indiana, United States Uploaded by Zimtrim
Angel / Humble Pie / Frank Marino & Mahogoney Rush Mother's Finest Apr 1, 1980 St. Louis, Missouri, United States Uploaded by John Murray