Compose a music piece that includes the specified motif while adhering to the outlined alphabetical sequence.
X:1
L:1/8
Q:1/8=140
M:6/8
K:G
['B/c/ d>ed dBG gba g2', 'G2 B Beg gfe f^cd B2 B']  
X:1
L:1/8
Q:1/8=140
M:6/8
K:G
"^cheerfully" B/c/ | d>ed dBG | gba g2 d | e>fg dBG | A3- A2 B/c/ | d>ed dBG | gba g2 g/e/ | 
 dBG FGA | G3- G2 || B | Beg gfe | f^cd B2 B | b[ac']b afg | e3- e2 g/a/ | bab aef | gba g2 g/e/ | 
 dBG FGA | G3- G3 |]  