Complex sentence: In 2010, Oliver collaberated with TNA superstar Jeff Hardy and his band, Peroxwhy? gen. They collaberated on 2 songs, a remix of the song Modest by Hardy and a remix of the Peroxwhy? gen song Another which Hardy now uses as his entrance theme.
Split into simpler sentences: In 2010, Oliver collaborated with TNA superstar Jeff Hardy and his band, Peroxwhy? gen on two songs. The other was a remix of the Peroxwhy? gen song "Another" which Hardy uses as his entrance theme.