Build a musical arrangement using the indicated alphabet-based system and the given motif.
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
['GAG FDE =F2', 'ABA A2', 'fed cAG FGA']  
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
 D | GDG GAG | FDE =F2 E | D2 G GFG | A2 d cBA |"^5" GFG GAG | FDE =F2 d | cAG FGA | AGF G2 :| A | 
"^9" B2 B BAG | ABA A2 F | DGG GFG | A2 d cBA |"^13" BGB BdB | ABA A2 d | cAG FGA | AGF G2 :| 
 (3AB^c |"^17" d2 e f2 g | a2 g fed | cAG FGA | dfe cBA |"^21" d2 e f2 g | a2 g fed | cAG FGA | 
 AGF G2 :|  