Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:6/8
K:D
['d2 B AFA', 'f e2 c a2 c dcd fed']  
X:1
L:1/8
M:6/8
K:D
{c} d2 B AFA | B2 d A3 | B2 G g2 f | efd cBA |{c} d2 B AFA | Bcd ABc | BGB cde | fge d3 :: 
 f2 d a2 f | e2 c a2 c | dcd fed | cde ABc | BGB Bcd | cAB cde | fga bgf | efd cBA!D.C.! |]  