Construct a musical composition utilizing the provided motif and conforming to the specified structure.
X:1
L:1/4
M:3/4
K:G
['G D B', 'A/F/ A/c/ B/A/', 'B c'  
X:1
L:1/4
M:3/4
K:G
 G D B | G2 G | G D B | A2 A/B/ | c B A | G F E | D E F | E2 D | G D B | G2 G | G D B | A2 A/B/ | 
 c B A | G F E | D E F |1 G3 :|2 G2 F/G/ |: A/F/ A/c/ B/A/ | B/G/ B/d/ c/B/ | A/F/ A/c/ B/A/ | 
 B G F/G/ | A/F/ A/c/ B/A/ | B/G/ B/d/ c/B/ | A/F/ A/c/ B/A/ | G3 :: B2 c | d e d | A2 B | c d B | 
 G2 A | B c B | A2 G | A3 | B2 c | d e d | A2 B | c d B | G2 A | B c B | A B A | G3 :|  