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:C
['c2 cA', 'c2 ef gfga']  
X:1
L:1/8
M:2/2
K:C
 AB | c2 cA c2 cA | BdBA G2 AB | c2 cA c2 cA | BdBA G2 AB | cBcd cBAG | F3 F F2 EF | G2 EF AGAB | 
 cBcd c2 :: ef | gfga gfed | c3 A c2 ef | gfga gfec | dcBA GABd | gfga gfed | c3 c c2 ec | 
 BBdB AGAB | c3 A c2 :|  