Simplify the following text for a Grade 5 native English-speaking person.
Original: In addition to the track being heard whenever Triple H appears on WWE Raw or WWE Smackdown and at other pay-per-view wrestling shows , the band have performed the song live at two WrestleMania events , WrestleMania X-Seven and WrestleMania 21 .
Simplified: The band have performed the song live at two WrestleMania events .