Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
M:2/4
K:F
['c2 AAcA F2 G2 AcBd c2 z']  
X:1
L:1/8
M:2/4
K:F
 c2 | AAcA | F2 G2 | AcBd | c2 z c | cccf | d2 dc | B>ABd | c>dcB | A>GAB | c2 d2 | c>BBc | A2 |]  