Construct a piece of music built on the supplied alphabet sequence and motif.
X:1
L:1/8
Q:1/4=80
M:2/4
K:G
['B/A/B/c/ BA GF G2']  
X:1
L:1/8
Q:1/4=80
M:2/4
K:G
 B/A/B/c/ BA | GF G2 | e/f/g e/f/g | dg TcB | B/A/B/c/ BA | GF G2 | B/c/d B/c/d | cB A2 |:  