Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/16
M:2/4
K:G
['dB ec dB Ac BE']  
X:1
L:1/16
M:2/4
K:G
 DF | GG GF GA Bc | dB ec dB Ac | BE ED(EF) GA | BG AF(GF) ED | DG GF(GA) Bc | dB ec dB Ac | 
 BE ED EF GA | Bc AF G2(DF) | GD GF(GA) Bc | dB ec dB Ac | BE ED(EF) GA | BG AF G2 ED | 
 (DG) G(FG) AB c | dB ec dB Ac | BE ED EF GA | BG AF G2 BB | Be ed ed ef | ge af gf ed | 
 Bd de dd de | ge af(gf)(ed) | Be ed e2f2 | ge af gf ed | BE ED EF GA | Bc AF G2 ||  