EF6 Rock Concert sentence combining

KERNEL
1.  The heavy-metal band pounds out loud, steady, hard rock and roll music.
The heavy-metal band loudly and steadily pounds out hard rock and roll music.
2.  The young audience is captivated.
The audience is captivated (a) and young.  UNNATURAL
They captivated (v) the young audience.
3.  The spectators wave their arms which is in rhythm OVERWRITTEN and sing every word with the band.
The spectators wave their arms in rhythm and sing every word with the band.
4.  The stadium loses power.  When everything goes black, the crowd responds with excited cheers.
When/ Even though the stadium loses power and everything goes black, the crowd responds with excited cheers/cheering.
The crowd responds with excitement and cheers.
The crowd responds excitedly with cheers.

WORD FORMS

SENTENCE VARIETY