Develop a musical work using the identified alphabetic pattern and the supplied melody as a theme.
X:1
L:1/4
M:4/4
K:D
['D E =F F']  
X:1
L:1/4
M:4/4
K:D
 D D D E | =F F D E | =F F G G | A3 z | D D D E | =F F D E | =F F G G | A3 z | A A d d | 
 =c3/2 B/ A B | =c c B3/2 A/ | A3 z | =F2 G2 | A3 =F | G =F E3/2 D/ | D2 d z |]  