Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
M:6/8
K:Gdor
['B2 G AGF DGG DGA BAB']  
X:1
L:1/8
M:6/8
K:Gdor
 B2 G AGF | DGG DGA | BAB c3 | dge fdc | B2 G AGF | DGG DGA | BAB cAF | AGF G2 A :|  