Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
M:4/4
K:G
['B G<G TG2 TB>ABd G<G G>c B/c/d', 'Bd- de/f/']  
X:1
L:1/8
M:4/4
K:G
 B | G<G TG2 TB>ABd | G<G G>c B/c/d A>B | G<G G<G TB>ABd | (e/f/g) d<g B<g A :| c | 
 Bd- de/f/ gdTe>d | Bd- de/f/ gBA>c | Bd- de/f/ gdTe>d | c<aB<g B<gAc | Bd- de/f/ gdTe>d | 
 Bd- de/f/ gBA>c | Bd- de/f/ (g/f/g/a/) bd | c<aB<g B<gA |]  