There are multiple artists called Southpaw:
These are videos from concerts where Southpaw played, so they may be of other bands that played the concert as well.
Former Critics / Southpaw / The Gospel Youth / Set It Off Feb 15, 2018 Detroit, Michigan, United States Added by Cardi
Sleeping With Sirens / Set It Off / The Gospel Youth / Southpaw Feb 14, 2018 Grand Rapids, Michigan, United States Added by Cardi