Craft a composition that integrates the assigned alphabet-related musical pattern and the provided melodic theme.
X:1
L:1/8
Q:1/4=90
M:4/4
K:D
['(D>E) F>GFE FB, B, z/ C/ D>EDB,', 'B,3 (B,/C/) D>EFG A>BAF B>^ABc cB A>FDE']  
X:1
L:1/8
Q:1/4=90
M:4/4
K:D
"_vb" (D>E) | F>GFE FB, B, z/ C/ | D>EDB, E3 (D/E/) | F>GFE FB,B,C | D>(F E/D/C/D/) B,3 || 
 (B,/C/) | D>EFG A>BAF | B>^ABc !fermata!d2 cB | A>FDE FB, B, z/ C/ | D>(F E/D/C/D/) B,2 |]  