Compose a musical work utilizing the given alphabet-based form and the provided motif.
X:1
L:1/8
M:4/4
K:G
['BB B>B B4 B>B cB BA z2', 'z BB B>B B4 B>B cB BA', 'A2 d>d dc B G2']  
X:1
L:1/8
M:4/4
K:G
 BB B>B B4 | B>B cB BA z2 | AA AA A4 | d>d dc B G2 z |: BB B>B B4 | B>B cB BA z2 | AA AA AA A2 || 
 d>d dc B G2 z :|  