Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:2/2
K:F
['d>FB>d c>FA>c f>ef>^f', 'F2 (ue>.f) g>ce>g b>eg>b a>Ac>f a>cf>a a>gf>d']  
X:1
L:1/8
M:2/2
K:F
 (uA>.B) | (vc>.F)(A>.c)"^SEGUE" d>FB>d | c>FA>c f>ef>^f | g>ce>g b>ea>g | 
 (3(fef) (3(gfd) c>AB>=B | c>FA>c d>FB>d | c>FA>c f>ef>^f | g>eb>g e>cB>G | F2"^4" A2 F2 :: 
 (ue>.f) | g>ce>g b>eg>b | a>Ac>f a>cf>a | g>"^4"c'"^4"=b>a a>gf>d | c2"^4" c'2 c>A,B,>=B, | 
 (3(C=B,C) A,>C F>Ac>^c | (3(d^cd) D>F B>df>b | a>cf>a e>gc>e | f2 a2 f2 :|  