Compose a piece of music that follows both the given musical theme and the letter-based structure provided.
X:1
L:1/8
M:2/2
K:G
['eA (3(cBA)']  
X:1
L:1/8
M:2/2
K:G
 a |"Am" e2 (3(cBA) eA (3(cBA) |"G" G2 (Bc) dBGg |"Am" eA (3(cBA) efge |"G" dBGB"Am" cAAa | 
"Am" eA (3(cBA) eA (3(cBA) |"G" G2 (Bc) dBGB |"Am" cBcA"G" B2 (ge) |"Em" dBGB"Am" (cA) A |] B | 
"C" (3(cdc) ec gcec |"C" (3(cdc) ge"G" dBGB |"C" (3(cdc) ec gcec |"G" dBGB{d}"Am" cAAB | 
"C" (3(cdc) ec gcef |"C" (3(gag) ge"G" dBGB |"Am" (cB)cA"G" B2 (ge) |"Em" dBGB"Am" cAA |]  