Simplify the following text for a Grade 7 native English-speaking person.
Original: A part of the D.C. hardcore punk scene , Rites of Spring increased the frenetic violence and visceral passion of hardcore while simultaneously experimenting with its compositional rules .
Simplified: A part of the D.C. hardcore punk scene , Rites of Spring increased the violence and passion of hardcore while at the same time experimenting with its rules .