Develop a musical work using the identified alphabetic pattern and the supplied melody as a theme.
X:1
L:1/8
Q:1/2=80
M:2/2
K:Bb
['d>e f=efg f_edc d^cde d=cBA BABF BABd', 'B2 cB Afef afef =Bg^fg bgfg bgaf']  
X:1
L:1/8
Q:1/2=80
M:2/2
K:Bb
 d>e | f=efg f_edc | d^cde d=cBA | BABF BABd | c=Bcd cdef | g^fga g=fed | c=Bcd edc_B | Bbag fedc | 
 B2 d2 B2 :: cB | Afef afef | =Bg^fg bgfg | bgaf gefa | (3gag (3fed (3cdc (3BAG | F2 ag fedc | 
 B2 ba gfed | cfed cBAG | FG/A/ B/c/d/e/ f2 :|  