Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
Q:1/4=66
M:6/4
K:Cdor
['G2 c6', 'BG FEDE F2 G2- G4 |[M:4/4] c3']  
X:1
L:1/8
Q:1/4=66
M:6/4
K:Cdor
"^Slow" CC | C2 CD E2 E2- E2 C2 |[M:4/4] B2 B4 D2 | FD C4 F2 |[M:6/4] G2 G2 c6 dc | cB G2 c6 Bc | 
 dcBG c6 BG | F2 DE F2 G2- G2 c2 |[M:4/4] c4 B2 c2 |"^(a)" G2 F2 C3 D |[M:6/4] C2 C2 C6 |] 
"^(a) var." G2 F2 D3 D | C2 C2 C6 |][M:6/4][K:Cdor][Q:1/4=120]"^Rather fast" FD | 
[M:6/4] C2 DE F2 DD BB !fermata!D2 |[M:4/4] FD C4 F2 |[M:6/4] G2 c2 d2 c2 B2 G2 | cB G2 c6 Bc | 
 dcBG c6 BG | FEDE F2 G2- G4 |[M:4/4] c3 A B2 cB | G3 F DC D2 |[M:6/4] ED CD C6 |]  