Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:6/8
K:Amix
['|:{^g} a2 =g edc def ecA B3', 'GBd c2 A GBd']  
X:1
L:1/8
M:6/8
K:Amix
|:{^g} a2 =g edc | def ecA | B3 GB/c/d | gfe def | gab afd | gdB GBd | FAd eAG | BEc A3 :: 
 GBd c2 A | GBd eAG | Bdc ABc | def ecA | GBd c2 A | GBd efe | fdB gdB | ABA A3 :|  