Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:4/4
K:C
['', 'd2 (3(cBA) BEEG (3(FED) (AD) FABc dB', 'd2 (fd) adfd']  
X:1
L:1/8
M:4/4
K:C
[M:2/2][K:D] .abc (3(ABc)"^segno" |: d2 (3(cBA) BEEG | (3(FED) (AD) FABc | dB (3(cBA) BEEA |1 
 Bged cABc :|2 Bgec d2 || (3(!fermata!ABc) | d2 (fd) adfd | ddfd cdec | d2 (fd) adfd | dBAF EFAc | 
 d2 (fd) adfd | (3ddd (fd) cdec | defd cdec | dBAF EF (3(ABc)"^segno" |]  