Read the two sentences 
 I relaxed after a long day. I put on a record
 Which sentence combines the two sentences using a present participle?
 Relaxing after a long day, I put on a record THIS ONE
 I relaxed after a long day, and I put on a record.
 Relaxed after a long day, I put on a record
 I put on a record so I could relax after a long day.