Compose a music piece that includes the specified motif while adhering to the outlined alphabetical sequence.
X:1
L:1/8
M:2/2
K:Gmix
['DG G2', 'g2 de ^fgaf g2', 'BG (3Bcd BG']  
X:1
L:1/8
M:2/2
K:Gmix
 DG G2 DEFA | DG G2 DGBG | DG G2 DEFA |1 cAFA c2 BA :|2 cAFA c2 Bc || dG G2 BGBd | g2 de ^fgaf | 
 dG G2 d2 (3Bcd | cAFA cABc | dG G2 BGBd | g2 de ^fgaf | g2 de ^fgaf | g2 ag ^fdcA || 
 d2 BG (3Bcd BG | (3Bcd BG c2 Bc | d2 BG Bcde | fdcA FABc | d2 BG (3Bcd BG | (3Bcd BG c2 Bc | 
 d2 de fefd | cAFA G2 GF ||  