Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:2/4
K:G
['G>A B2 A>B c2', 'B>c d2 c>d e2']  
X:1
L:1/8
M:2/4
K:G
 G>A B2 | A>B c2 | BA/G/ AG/F/ | G[DG][B,d][G,g] | G>A B2 | A>B c2 | B/c/d/B/ A/B/c/A/ | 
 G2 [G,G]2 :: B>c d2 | c>d e2 | B>c dc/B/ | cAfa | B>c d2 | c>d e2 | B/c/dB/ A/B/c/A/ | 
 G2 [G,G]2 :|  