Construct a piece of music by converting the stated musical sequence into an alphabetical format and integrating the supplied motif.
X:1
L:1/8
M:4/4
K:Bb
['B>cBG FDFB d>edc c2 B2 b/b/a/a/ g/g/f/f/', 'B,2 d>efd dced d>efB dced g>abB g/a/g/a/', 'B,/C/D/E/ F/E/D/C/ B,/C/D/E/', 'B2 dB']  
X:1
L:1/8
M:4/4
K:Bb
 B>cBG FDFB | d>edc c2 B2 | b/b/a/a/ g/g/f/f/ e/e/d/d/ c/c/B/B/ | A/A/G/G/ F/F/E/E/ DC B,2 :: 
 d>efd dced | d>efB dced | g>abB g/a/g/a/ bB | d2 c2 B4 :: B,/C/D/E/ F/E/D/C/ B,/C/D/E/ F/E/D/C/ | 
 B,/C/D/E/ F/G/A/B/ c=E F2 | B>cBF eded | f>gfd c2 B2 :: B2 dB ec A/B/c/A/ | B2 de fedc | 
 B2 dB ed A/B/c/A/ | Fced d2 c2 | B2 dB ec A/B/c/A/ | B2 dB ec A/B/c/A/ | FBdc c2 B2 :|  