Compose a piece of music that follows both the given musical theme and the letter-based structure provided.
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
['d2 e dBB dBA GED EGE DB,D', 'dcd edB']  
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
 B/c/ | d2 e dBB | dBA GED | EGE DB,D | DED GED | d2 e dBB | dBA GED | EGE DB,D | DED G2 :| G/A/ | 
 BdB dcd | edB AGA | B2 d dcd | edB A2 A | BdB dcd | edB AFD | E2 E DB,D | DED G2 :|  