Meathead Group A on the TLA floor uses cell phones to call Meathead Group B in the balcony to alert Group B to being given the finger by Group A. “E-A-G-L-E-S!” chants abound. […] Many a Philadelphia Mogwai fan is apparently uninterested in the low end of the band’s notorious dynamic shifts and sees the circumstances fit to have discussions over the music. After being asked to quiet down by someone who actually wants to hear the band, I overhear someone say this: “Is she serious?”