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
Q:1/8=160
M:6/8
K:G
['BAB cBc', 'gfg def g2 a bag']  
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
 A | BAB cBc | ded cAG | F2 D DED | DGG FGA | BAB cBc | dcA d2 e | fed cAF | AGF G2 :| B/d/ | 
 gfg def | g2 a bag | f2 d dfg | afd cAG | gfg def | g2 a bag | fed cAF | AGF G2 :|  