Construct a musical composition utilizing the provided motif and conforming to the specified structure.
X:1
L:1/8
M:4/4
K:G
['A2 BA', 'Bd efge'  
X:1
L:1/8
M:4/4
K:G
 B3 G A2 BA | GE E2 CEGE | DGBG A2 BA | GE{G}ED EFGA | B3 G A2 BA | GE E2 cEGE | DGBG A2 BA | 
 GE{G}ED EGGD || .G2 Bd efge | dB B2 dBAB | .G2 Bd efge | dBAB AGED | G2 Bd efge | dB B2 dega | 
 bgag egde | gedB AGEG ||  