Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
['d/c/ Bcd efg fga d2 e dcB', 'd2 d']  
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
 d/c/ | Bcd efg | fga d2 e | dcB ABc | BAB G2 d/c/ | BAG def | gfg efg | fed Ad^c | d3- d2 :: d | 
 gfg de=f | d3- d2 d | cdB ABG | D3- D2 d | Bcd efg | fga dec | BAG DGF | G3- G2 :|  