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
M:6/8
K:G
['DEG G2 A B2', 'Bcd G2']  
X:1
L:1/8
M:6/8
K:G
 E | DEG G2 A | B2 c BAG | DEG G2 A | B2 e d2 B | DEG G2 A | B2 c BAG | B>AG efg | dcB A2 G || 
 Bcd G2 B | cde edc | Bcd G2 e | d2 B A2 G | Bcd G2 d | efg e2 d | gze czB | BAG A2 G |]  