Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
M:2/2
K:Dmix
['c2 B2']  
X:1
L:1/8
M:2/2
K:Dmix
"D" DEFG ABAF |"G" GABG"C" c2 B2 |"D" ABAF DFAF |"A7" G E2 D E4 |"D" DEFG ABAF |"G" GABG"C" c2 B2 | 
"D" ABAF"A7" GEAG |"D" F D2 C D4 ::"D" d^cde fedf |"A" e2 ^c2 A4 |"Am" cBcd edce |"G" d2 B2 G4 | 
"D" ABAF DFAF |"G" GABG"C" c2 B2 |"D" ABAF"A7" GEAG |"D" F D3 D4 :|  