The 405's Serge Levin spent an evening with Alt-J at Festival Pier in Philadelphia. Check out his stunning gallery below.

Alt-J @ Philidelphia, Festival Pier 25/09/15
Alt-J @ Philidelphia, Festival Pier 25/09/15
Alt-J @ Philidelphia, Festival Pier 25/09/15
Alt-J @ Philidelphia, Festival Pier 25/09/15
Alt-J @ Philidelphia, Festival Pier 25/09/15
Alt-J @ Philidelphia, Festival Pier 25/09/15
Alt-J @ Philidelphia, Festival Pier 25/09/15
Alt-J @ Philidelphia, Festival Pier 25/09/15
Alt-J @ Philidelphia, Festival Pier 25/09/15
Alt-J @ Philidelphia, Festival Pier 25/09/15