As "The Lone Rangers" take stage near the end of the movie a point is made that the stage equipment are non-functional props. Yet after Chaz refuses to play Ian grabs and shouts into a "prop" microphone.
The sign outside of the station lists the broadcast frequency as 103.6. FM radio stations in America always use odd numbers for their broadcast frequencies. However, like the infamous '555' telephone exchange, this is deliberate use of fictitious numbering.
In the last scene when the band is trashing the stage and instruments, Chaz pretends to smash a PRS guitar, actually just slowing his swing to not hit the full stack guitar amp, only pretending to smash it.