Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/4
M:6/4
K:F
['c2 c']  
X:1
L:1/4
M:6/4
K:F
 F | F2 F A2 A | c3 c2 c | c2 c d2 d | c3 A2 F | F2 F A2 A | c3 c2 c | c2 c d2 d | c3 e2 e | 
 f2 f e2 d | c3 A2 A | c2 c d2 d | c3 B2 B | A2 A G2 G | F4 z |]  