Produce a musical work that intertwines the supplied melodic theme and the indicated alphabetical pattern.
X:1
L:1/8
M:6/8
K:A
['A3 BAB ce/f/g agf gec BGE', '', 'f2 f fec efg']  
X:1
L:1/8
M:6/8
K:A
|: E | A3 BAB | ce/f/g agf | gec BGE | AcA BGE | A3 BAB | ce/f/g agf | gec BGE | AcB A2 :| c |: 
 f2 f fec | efg agf | agf edc | BcB Bce | f2 f fec | efg a2 b | c'ba gba | gfg a3 :|  