There are at least six artists with the name STP:
These are photos from concerts where STP played, so they may be of other bands that played the concert as well.
Redd Kross / Enrique / STP Mar 26, 1992 Sacramento, California, United States Uploaded by Sactoslacker
Sonic Youth / Nirvana / STP Aug 17, 1991 Los Angeles, California, United States Uploaded by Zimtrim
Verbal Abuse / Hemi / STP / Bourbon Deluxe / House of Wheels / 8 Ball Scratch / Rocket Scientist Apr 13, 1991 Sacramento, California, United States Uploaded by Sacramento Shows
Sonic Youth / Nirvana / STP Aug 24, 1990 Seattle, Washington, United States Uploaded by Zimtrim
Sonic Youth / Melvins / Nirvana / STP Aug 23, 1990 Portland, Oregon, United States Uploaded by Zimtrim
Sonic Youth / Nirvana / Melvins / STP Aug 21, 1990 San Francisco, California, United States Uploaded by Zimtrim
Sonic Youth / Nirvana / STP Aug 20, 1990 Sacramento, California, United States Uploaded by Sacramento Shows
Sonic Youth / Nirvana / STP Aug 20, 1990 Sacramento, California, United States Uploaded by Zimtrim
Melvins / Sonic Youth / Nirvana / STP Aug 16, 1990 Las Vegas, Nevada, United States Uploaded by Zimtrim