Create a musical composition using the given motif and adhering to the specified musical form represented by alphabet characters.
X:1
L:1/8
M:4/4
K:G
['B B2 B d2 B2']  
X:1
L:1/8
M:4/4
K:G
 E E2 E G2 E2 | GG A2 (E2 B,2) | (^DB,) E6 | (^DB,) E6 | B B2 B d2 B2 | dd e2 (BA) G2 | (AG) B6 | 
 A2 B6 | B B2 B d2 B2 | ed B2 B4 | EE EE G2 G2 | (BA) G2 E4 | (E^D) E6 | ^D2 E6 |]  