Create a musical composition incorporating the given motif following the designated alphabetical pattern.
X:1
L:1/16
M:2/4
K:Bb
['d>ddc2<b2G b2>g2f2>d2 fddcbbbg b2>g2f2bg bbg2ddcg b2>g2f2>d2 fddbccd2']  
X:1
L:1/16
M:2/4
K:Bb
 d>ddc2<b2G | b2>g2f2>d2 | fddcbbbg | b2>g2f2bg | bbg2ddcg | b2>g2f2>d2 | fddbccd2 | b>bbcdcd2 | 
 gbg2fdd2 | c4 c3d/b/ | d>ddcbzc2 | b2>g2f2>d2 | b>bbcdcdb | c4 c3 z |]  