Develop a musical composition incorporating the given motif while adhering to the outlined alphabetical form.
X:1
L:1/8
M:4/4
K:G
['(d/c/) B2 (AG) (DG)(BG) (FA)(dA) DGBG B2', 'G3 g/a/ bgdg Bdgd gdBg BdgB cedc']  
X:1
L:1/8
M:4/4
K:G
|: (d/c/) | B2 (AG) (DG)(BG) | (FA)(dA) DGBG | B2 AG (DG)(BG) | B2 A2 A2 dc | BGDG cAFA | 
 dBGB ecAf | gfed cBAd | B2 G2 G3 :: g/a/ | bgdg Bdgd | gdBg BdgB | cedc BGdB | c2 BA A2 dc | 
 BGDG cAFA | dBGB ecAf | gfed BdAd | B2 G2 G3 :|  