Compose a music piece that includes the specified motif while adhering to the outlined alphabetical sequence.
X:1
L:1/4
Q:1/4=120
M:4/4
K:G
['B A']  
X:1
L:1/4
Q:1/4=120
M:4/4
K:G
 B/B/ B A G B/B/ B A B | B/B/ B A G B/B/ B A B | B/B/ B A G B/B/ B A B | B/B/ B A G B/B/ B A B | 
 G/G/ G A B3/2 z/ d B A | F/F/ F G A B/c/ B A B | G G/G/ G A B3/2 z/ d B | A F/F/ F G A B/c/ B A | 
 G3/2 |]  