Compose a piece of music utilizing the given alphabet sequence and motif.
X:1
L:1/8
M:2/4
K:F
['dBfd c2 z2']  
X:1
L:1/8
M:2/4
K:F
 FGAB | cccc | dBfd | c2 z2 | dBfd | c2 z2 | cBBB | BAAA | AGGC | A2 z2 | cBBB | BAAA | AGGA | 
 F2 z2 |]  