Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
M:4/4
K:D
['A2 FA', 'dddg fAdf eAce']  
X:1
L:1/8
M:4/4
K:D
|: dB | A2 FA BddB | A2 FA BEEB | A2 FA Bddg | fdBc d2 dB | AD (3FGA BddB | AD (3FGA BEEB | 
 A2 FA Bddg | fdBc d2 (3ABc :: dddg fAdf | eAce dcBA | dddg fAdf | eAce d2 (3ABc | dddg fAdf | 
 eAce dcBA | GB B2 Bcdg | fdBc d3 B :|  