Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
M:2/4
K:E
['G,G, ||[M:3/4]', '']  
X:1
L:1/8
M:2/4
K:E
 D2 DD | DD D2 | C2 G,G, ||[M:3/4] A,4 CC ||[M:2/4] A,2 G,G, ||[M:3/4] C4 CC ||[M:2/4] A,2 G,G, | 
 G,4 |]  