Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:4/4
K:Bb
['(D/E/F) B>F G>B', '(e/d/).c/.B/{=a} b>B']  
X:1
L:1/8
M:4/4
K:Bb
 E | (D/E/F) B>F G>B F>B | E>B D>B c<CC>E | (D/E/F) B>F G>B F>BG>B (A<f) d<[DB] [DB]2 :| f | 
 (e/d/).c/.B/{=a} b>B g>Bf>B | (B/A/).G/.F/{F} e>F d>F c>f | (e/d/).c/.B/{=a} b>B a>B g>B | 
 f>B (A/B/).c/.f/ d<B [DB]>f | (e/d/).c/.B/{=a} b>B g>B f>B | 
 (B/A/).G/.F/{F} e>F d>F !fermata!c(B/A/) | (G/^F/G/A/) (B/A/B/c/) (d/c/d/e/) (f/=e/f/^f/) | 
 (g/=f/e/d/) (c/d/e/f/) d<[DB] [DB]2 ||  