Sentence 1: Corwin learned to play Hot Cross Buns on the recorder. 
 Sentence 3: One afternoon, he spent a whole hour playing his music 
 Sentence 4:  On Friday, he played the song for his music teacher at school 
 Sentence 5:  He was really proud of himself for playing every note perfectly! 
 Given Sentence 2: He practiced and practiced, working to get better.