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:Bb
['FE DB,-B,B,', 'B,B, DFFB dBFE EC-C C2 CC ABcd']  
X:1
L:1/8
M:4/4
K:Bb
 FE ||"Bb" DB,-B,B, B,2 B,B, | DFFB dBFE |"F" EC-C C2 CC | ABcd cAFE |"Bb" DB,-B,B, B,2 B,B, | 
"Eb" B,DFB dBFE |"F" DFFB dBAc |"Bb" BABc B2 :: (3fga ||"Bb" bfdB FBdc- |"F" cBAG F2 F2 | 
"Eb" [Bg]4 [Bg]4 |"F" (=e f2) g [Af]4 |"F" [cf]4"Gm7" [df]4 |"Eb" [ef]4"C7" g3 a |"F7" f2 ag fedc | 
"Bb" BABc B2 :|  