Construct a musical piece utilizing the given sequence in alphabetical form and the supplied motif.
X:1
L:1/8
M:4/4
K:Bb
['z ddcbcdc dcdcbg f2 c>dfbgfd z d']  
X:1
L:1/8
M:4/4
K:Bb
 z ddcbcdc | dcdcbg f2 | c>dfbgfd z | d d2 dcd f2 | z d2 c B4 | d3 cbg f2 | fdcbbg f2 | 
 g2 g2 z f2 g | d2 dc B4 | g4 g b2 d | fddc B4 | ffdcf>dcb | bg f2 b>gbc | gfe/f/g f4 |]  