There are two artists with this name: One is a hard rock/metal band from the Philippines; the other a "robot pop star" from Brooklyn. As the Philippine band came along first, this article begins with them.
These are photos from concerts where Wolfgang played, so they may be of other bands that played the concert as well.
Coca-Cola Concert ng Bayan Mar 23, 2012 Pasay, National Capital Region, Philippines Uploaded by Kji88
Bob Seger and The Silver Bullett Band / Wolfgang Jul 31, 1975 West Hollywood, California, United States Uploaded by Zimtrim
Mountain / Zephyr / Wolfgang Aug 11, 1970 Santa Monica, California, United States Uploaded by Zimtrim