Produce a musical work that intertwines the supplied melodic theme and the indicated alphabetical pattern.
X:1
L:1/8
Q:1/4=120
M:4/4
K:D
['defd cAAc', 'ABAG AB =c2']  
X:1
L:1/8
Q:1/4=120
M:4/4
K:D
"^Allegro" defd cAAc | BGGB cAAc | defd cAAc | BGAG FD D2 :| ABAG AB =c2 | GAGF EF G2 | 
 ABAG AB =c2 | BGAG FD D2 :|  