Develop a musical work using the identified alphabetic pattern and the supplied melody as a theme.
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
['', 'G2 BG dGBG', 'G2 g2 edeg']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
 F |: G2 BG dGBG | B2 BA BcBA | G2 BG dGBG | ABAG AcBA | G2 BG dGBG | BcBA B2 d2 | efed Bdef | 
 gedB AcBA :| G2 g2 edeg | B2 BA BcBA | G2 g2 edeg | agfe dcBA | G2 g2 edeg | BcBA B2 d2 | 
 efed Bdef | gedB AcBA :|  