Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
Q:1/4=120
M:4/4
K:G
['', 'B2- Bd cA A2 |1', 'AF GBAG FD D2 :|2 defd', '(3(AGF) GBAG']  
X:1
L:1/8
Q:1/4=120
M:4/4
K:G
"^Briskly.""^A" |: DGGA B2 AG | B2- Bd cA A2 |1 DGGA B2 AG | GBAG FDDC :|2 AGGA B2 (3(AGE) | 
 GBAG FD D2 |]"^B" |: !fermata!dddB c2 cA | B2- Bd cA A2 |1 defd c2 AF | GBAG FD D2 :|2 
 defd c2 (3(AGF) | GBAG FDDC |]  