Craft a composition that integrates the assigned alphabet-related musical pattern and the provided melodic theme.
X:1
L:1/16
Q:1/4=72
M:4/4
K:C
['B,C D4 DF_ED']  
X:1
L:1/16
Q:1/4=72
M:4/4
K:C
"^A" z B,C D4 DF_ED C>B,C z | F_EED DCCB, B,_A,A,G, G,2D2- | D2B,C D2D2 DF_ED D>_B,C z | 
 F_EED DCCB, B,_A,A,G, G2 z2 | z2 [B,B][Cc] [Dd][G,G][Dd]2- [Dd][Ff][_E_e][Dd] [Cc]>[B,B][Cc] z2 | 
 [Ff][_E_e][Ee][Dd] [Dd][Cc][Cc][B,B] [Dd][_A,_A][A,A][G,G] [G,G]2[Dd]2- | 
 [Dd]2[B,B][C,c] [Dd][G,G][Dd]2- [Dd]2[Ff][_E_e][Dd] [Cc]>[B,B][Cc] z | 
 [Ff][_E_e][Ee][Dd] [Dd][Cc][Cc][B,B] [B,B][_A,_A][A,A][G,G] [G,G]3 z | 
"^B"{F} G2 G2 G G3 F FE E3 z | EF G2 G2 G2 F F3 E3 z | EF G2 G D3 F _E D3 z | 
 F2 _E2 D C3 B, _A,3 G,2 D z | z2 B,C D4 DF_ED C>B, C z | F _E3 D2 C2 B, _A,3 G,2 D2- | 
 D z B,C D4 DF_ED C>B, D z | F _E3 D2 C2 B, _A,3 A,3 z |]  