Simple
UNION!
Philadelphia Chant
Philadelphia Union (27 Songs)
The most basic chant
Oh Union Chant
Stickin' to the Union Chant
Usually sung after a opponent goal. Unveiled during the team name announcement. *Ed: See Youtube
Sons of Ben Chant
Sons of Ben Muppet Song
Faux Vuvuzelas Chant
Used when the opposing side is attackin the net, because the are annoying as all hell. Thank You South Africa!
Go Mental Chant
MENTAL (to the tune of Yankee Doodle)
Sietz Everybody Chant
Sung after a save by goalkeeper Chris Seitz.