Create a musical composition following the given alphabetical pattern and incorporating the provided motif.
X:1
L:1/16
M:2/4
K:Bb
['B>AB>A B>cd>e f>ef>e f>ga>f b>fd>f', 'B2B2B2 A>B c>BA>G F>Ac>e d>BA>B F>Bd>f e>df>e']  
X:1
L:1/16
M:2/4
K:Bb
 F2 | B>AB>A B>cd>e | f>ef>e f>ga>f | b>fd>f e>dc>B | d>cB>c B>AG>F | B>AB>A B>cd>e | 
 f>ef>e f>ga>f | b>fd>f f>ec>d | B2B2B2 :: A>B | c>BA>G F>Ac>e | d>BA>B F>Bd>f | e>df>e d>fB>d | 
 c>f=e>f _e>cA>c | B>cB>d f>db>f | e>fe>c A>cF>e | d>fb>f f>ec>A | B2B2B2 :|  