Utilize the alphabetic system of the specified musical pattern and the supplied melodic theme to create a piece of music.
X:1
L:1/8
Q:1/8=180
M:6/8
K:G
['BAB GBG AFD F2 G AGA fed', 'd gfg', 'g/f/eg fdf e/d/ce dBG AGA fed']  
X:1
L:1/8
Q:1/8=180
M:6/8
K:G
|: A | BAB GBG | AFD F2 G | AGA fed | cAG FGA | BAB GBG | AFD F2 G | AGA fed | cAF G2 :: d | 
 gfg afd | gfg a2 d | gfg b2 g | a2 g fga | geg fed | fed cde | fef ded | cAF G2 :: e/f/ | 
 g/f/eg fdf | e/d/ce dBG | AGA fed | cAG FGA | g/f/eg fdf | e/d/ce dBG | AGA fed | cAF G2 :|  