Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/4
M:2/2
K:C
['E D']  
X:1
L:1/4
M:2/2
K:C
 C E G G | F E D2 | C E G2 | A E G3/2 A/ | C E G G/G/ | F E D D/E/ | E3/2 E/ G E | D C3 | 
 c3/2 c/ c G | A3/4 B/4 c3/4 A/4 G2 | E D D2 | E D D2 | c3/2 c/ c G | A3/4 B/4 c3/4 A/4 G C/D/ | 
 E3/2 E/ G E | D C3 |]  