Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
Q:3/8=112
M:9/8
K:D
['d3 dAG', 'd2 g fdf']  
X:1
L:1/8
Q:3/8=112
M:9/8
K:D
 d3 dAG FED | d3 dAG G2 E | ABc dAG FGA | =cBc E2 F G2 E :| d2 g fdf ece | d2 g fdf g2 e | 
 d2 g fdf ece | =cBc E2 F G2 E :|  