Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
M:2/2
K:D
['D/D/D AB', 'Tf>e df gfef']  
X:1
L:1/8
M:2/2
K:D
 F | D/D/D AB AFAB | D/D/D dB AFEF | D/D/D AB ABde | fdef d/d/d d :: g | Tf>e df gfef | 
 TcAeA fAeg | Tf>e df gfef | TcAec d/d/d d :|  