Create a musical composition using the given alphabet-based notation and supplied motif.
X:1
L:1/8
M:2/4
K:G
['G GG GD GG GB dd dc']  
X:1
L:1/8
M:2/4
K:G
 G | GG GD | GG GB | dd dc | Bd z2 | ed cB | cc B2 | AA Ad | BG z G | GG GD | GG GB | dd dc | 
 Ad z d | ed cB | cc BB | AA Ad | BG z2 | B>G GD | A>B cA | FG z2 |]  