Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
Q:3/8=110
M:6/8
K:G
['dBG GAB', 'ece dBd']  
X:1
L:1/8
Q:3/8=110
M:6/8
K:G
 e | dBG GAB | c2 B A2 G | dBG GAB | A2 B c2 e | dBG GAB | c2 B A2 G |"^NB1a" A/B/cA B/c/dB | 
 BGG G2 :: d | ece dBd | ece dBd | efg dcB | A2 B c2 e | def gfe | dcB A2 G | 
"^NB1b" A/B/cA B/c/dB | BGG G2 :|  