Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/8
M:4/4
K:G
['B2 GB dgdB', '(B,/A,/G,) (DG,)']  
X:1
L:1/8
M:4/4
K:G
 c | B2 GB dgdB | g2 (b/a/g) a(AA)c | B2 GB dgdB | cAdB G/G/G G :| D | (B,/A,/G,) (DG,) EG,DG, | 
 (B,/A,/G,) (DG,) EA,A,D | (B,/A,/G,) (DG,) EG,DG, | EGFA GG,G,D | (B,/A,/G,) (DG,) EG,DG, | 
 (B,/A,/G,) DG, EA,A,D | (B,/A,/G,) (DG,) EG,DG, | (E/F/G) (F/G/A) GG,G, ||  