Construct a piece of music built on the supplied alphabet sequence and motif.
X:1
L:1/4
M:3/4
K:G
['B B']  
X:1
L:1/4
M:3/4
K:G
"G" B B B |"Am" A2 B | c2"D" F |"G" G3 |"D" D D D |"G" B2"A7" A |"D" A3 |"Am" c c"E7" B | 
"Am" A2 G |"D" F2 E | D3 |"G" D"C" E G |"G" B2"D" A |"G" G3 |]  