Develop a musical work using the identified alphabetic pattern and the supplied melody as a theme.
X:1
L:1/8
M:4/4
K:D
['F2 D2 D<FA<F G2 E2 E2 A<d', 'a2 ab ag f2 g2 ga gfec']  
X:1
L:1/8
M:4/4
K:D
|: AG | F2 D2 D<FA<F | G2 E2 E2 A<d | c2 cB A<ce<c | d>cd<f A>BA<G | F2 D2 D<FA<F | G2 E2 E2 A<d | 
 c2 cB A<ce<c | d2 d<c d2 :: d<f | a2 ab ag f2 | g2 ga gfec | A2 Ac e<cA<c | d>cd<e f>ef<g | 
 a2 ab ag f2 | g2 ga gfec | A2 Ac e<cA<c | d2 d<c d2 :|  