Compose a piece of music that combines the given melodic theme with the assigned alphabetical pattern.
X:1
L:1/8
M:6/8
K:G
['BAG GBG', 'Bcd def gfe fed dBG gdB cAF', 'dBG dBG']  
X:1
L:1/8
M:6/8
K:G
 (d/c/) | BAG GBG | GBG A>Bc | BAG GBG |{d} cAF Adc | BAG GBG | GBG A>Bc | BAG dBG | cAF A2 :| | 
 c | Bcd def | gfe fed | dBG gdB | cAF Adc | Bcd def | gfe fed | dBG gdB | cAF A2 :| | (B/c/) | 
 dBG dBG | dBG ABc | dBG dBG | cAF A2 d/c/ | Bcd def | gfe fed | dBG gdB | cAF A2 :|  