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:G
['G2 AB c2', 'c2 A2']  
X:1
L:1/8
M:4/4
K:G
|: G>A | B2 G2 G2 AB | c2 A2 A2 dc | B2 AG F2 G2 | AGFE D2 GA | B2 GF G2 AB | c2 A^G A2 dc | 
 BAGA D2 F2 | G6 :: Bc | d^cde d2 e=f | e2 c2- c3 d | e^def e2 ag | f2 d2 d3 c | B2 G2 G2 AB | 
 c2 A2 A2 dc | B2 AG F2 G2 | A>GFE D2 E/F/G/A/ | B2 G>F G2 (3GAB | c2 A2 D2 dc | BAG[FA] D2 F2 | 
 G6 :|  