Tree is the name of at least 11 different artists:
These are photos from concerts where Tree played, so they may be of other bands that played the concert as well.
Tree / Honkeyball / Scissorfight Jun 17, 1997 New York, New York, United States Uploaded by Erica Lebow
System of a Down / Tree / Naked Truth / Spank Mar 5, 1997 Los Angeles, California, United States Uploaded by Bruhvvmetal