Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
Q:3/8=120
M:6/8
K:G
['G2 d dBG', 'gdg gdg']  
X:1
L:1/8
Q:3/8=120
M:6/8
K:G
 G2 d dBG | (e/f/g)e dBG | G2 d dBG | F2 G AFD | G2 d dBG | (e/f/g)e dBG | BGB AFA | G3 G3 :: 
 gdg gdg | gfe dcB | gdg gdg | ABA AFD | gdg gdg | gfe agf | fed Ad^c | d3 D3 :|  