Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/16
M:4/4
K:C
['B2E2A2 |[M:2/4][K:G]SOSOO .!fermata!PMTuC2O[Q:1/4=100]MD2 GAGF GBdB ABAG FGAF', 'd2 dBGB DBGB dBgf edcB cAFA DAFA']  
X:1
L:1/16
M:4/4
K:C
 B2E2A2 |[M:2/4][K:G]SOSOO .!fermata!PMTuC2O[Q:1/4=100]MD2 | GAGF GBdB | ABAG FGAF | Bdgf edcB | 
 AGFE DEFD | D2AG GBeB | A2AA ABcA | Eedc BAGF | A2G2G2 :: d2 | dBGB DBGB | dBgf edcB | cAFA DAFA | 
 BAed dcBA | GDB,D G,B,DG | BGed cBAG | Fedc BAGF | A2G2G2 :|  