Compose a music piece that includes the specified motif while adhering to the outlined alphabetical sequence.
X:1
L:1/8
M:4/4
K:C
['B4 BA G2 e2 d2', 'dgfg edBc']  
X:1
L:1/8
M:4/4
K:C
[M:4/4][K:G] Bee'[Q:1/8=160].DEGA B4 | BA G2 e2 d2 | DEGA B2 Bd | BAGE D4 | DEGA B4 | BA G2 e2 d2 | 
 dgfg edBc | dedB G4 :| dgfg edBc | d2 b2 a2 g2 | dgfg edBc | dedB A4 | dgfg edBc | d2 b2 a2 g2 | 
 dgfg edBc | dedB G4 :|  