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:C
['B>(G{A} (3GFG) D>(G{A} (3GFG)', 'dggf gagf dgga bgag']  
X:1
L:1/8
M:4/4
K:C
[M:2/2][K:G] .abc B>(G{A} (3GFG) D>(G{A} (3GFG) | BGGB cedc | B>(G{A} (3GFG) D>(G{A} (3GFG) | 
 AFFA =fdcA | B(G{A} (3GFG) D(G{A} (3GFG) | BGGB cedc | BABc de=fd | cAFA =fdcA || dggf gagf | 
 dgga bgag | de=fe fgfe | d=feg fdcA | dggf gagf | dgga bgag | bgag bgag | d=feg fdcA |]  