Construct a musical composition using the provided motif and maintain the designated form.
X:1
L:1/8
M:4/4
K:G
['g2 (3ggg g2 de gedB AG Bd', 'BGBG dcBA'  
X:1
L:1/8
M:4/4
K:G
 g2 (3ggg g2 de | gedB AG Bd | g2 b2 g2 dc | BGAc BG G2 :| BGBG dcBA | AGAB cBAG | BGBG dcBA | 
 AGAc BG G2 :|  