Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
M:4/4
K:D
['gfed dcBA Bd ce df eg f2']  
X:1
L:1/8
M:4/4
K:D
 dc | d2 D2 D2 AG | FA d2 df ed | e2 E2 E2 ed | ce a2 a2 bc' | d'c'ba bagf | gfed dcBA | 
 Bd ce df eg | f2 d2 d2 | AG | FA dA FA dA | B2 G2 G2 BA | ^GB eB GB eB | c2 A2 A2 gf | 
 g2 (!>!b2 b)agf | gfed dcBA | Bd ce df eg | f2 d2 d2 x2 |]  