Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
Q:1/8=128
M:4/4
K:D
['F3 G E3 F DF Ad f3', 'D2 A2 d2 ef e2 dc d3']  
X:1
L:1/8
Q:1/8=128
M:4/4
K:D
|: DE | F3 G E3 F | DF Ad f3 e | d2 cB A2 FD | D2 CE B,2 A,2 | F3 G E3 F | DF Ad f3 e | 
 d2 cB A2 FD | D3 C D2 :: A2 | d2 ef e2 dc | d3 c/B/ A2 F2 | GA BG FG AF | EG, B,D D2 C2 | 
 f2 ed ce dc | dc BA GF ED | B,2 CD DC F>E | D6 :|  