Develop a musical composition by integrating the alphabetically represented musical pattern and the supplied melodic theme.
X:1
L:1/8
M:4/4
K:D
['DFAF DGBG FAde fdAF GBef gfgf (3efe', 'eA (3AAA']  
X:1
L:1/8
M:4/4
K:D
 (3FED | DFAF DGBG | FAde fdAF | GBef gfgf | (3efe (3dcB (3ABA (3GFE | DFAF DGBG | FAde fdAF | 
 GBef gfgf | (3efe dc d2 :| (3Bcd | eA (3AAA FA (3AAA | (3efg fg eA (3AAA | (3efg fa gfgf | 
 (3efe (3dcB (3ABA (3GFE | DFAF DGBG | FAde fdAF | GBef gfgf | (3efe dc d2 :|  