Develop a musical composition by incorporating the suggested motif and by following the prescribed format.
X:1
L:1/8
M:3/4
K:G
['ga bg', 'BG EG cB AG', 'D2{c} BA'  
X:1
L:1/8
M:3/4
K:G
 d | [gB]f ga bg | d2 BG Bd | cB Ad fa | ga bg dB | gf ga bg | d2 BG Bd | cB Ad fa | 
 [gB]4!fine! z |]: B | dB GB dB | cA FA cA | BG EG cB | AG FE D2 | BG EG cB | AG FA ed | 
{d} cB cD FA | G4 z B :: D | D2{c} BA B2 | BG GD [EC]2- | [EC]2{d} cB c2 | cB AG FE | D2{c} BA Bc | 
 d2 dB dg | e2 e^c ef | d4 z :|  