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
['BG{A}GB AFDE FEFG', '(Bc) dgga bgaf dcde']  
X:1
L:1/8
M:4/4
K:C
 BEA |[M:2/2][K:G]SOSOO .!fermata!PMTuCO(Mdc) | BG{A}GB AFDE | FEFG Adgd | BG{A}GB AGFA | 
 (3(Bcd) cA G2 dc | BG{A}GB AFDE | FEFG (3(ABc) de | f2 fd ecAc | BGAF G2 || (Bc) | dgga bgaf | 
 dcde fdcA | dgga bgag | fdcA G2 (Bc) | dgga bgaf | dcde fefg | abag fgag | fdcA G2 |]  