There are (or have been) at least thirteen artists / acts called Siren.
These are photos from concerts where Siren played, so they may be of other bands that played the concert as well.
Jawbreaker / Siren Feb 26, 1994 Sebastopol, California, United States Uploaded by Lilmikesf
The Boyz / Siren / Sender / Arson Dec 28, 1986 Rancho Cordova, California, United States Uploaded by Sacramento Shows