Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
Q:1/2=90
M:2/2
K:G
['G2 BG', 'edef gdBG']  
X:1
L:1/8
Q:1/2=90
M:2/2
K:G
 G2 BG (Bd)dB | c2 ec eggB | G2 BG Bcdg | edcB B2 A2 :| g2 ag afed | edef gdBG | g2 ga agfe | 
 edef g2 ga | bagf gfed | edef gdBG | cBcd efge | dcBA G2 G2 |]  