Develop a musical work that employs the provided motif and observes the stated musical form.
X:1
L:1/4
M:6/4
K:Amix
['a2 a a2 g f2 e d3/2', 'd e2'  
X:1
L:1/4
M:6/4
K:Amix
|:"^A" a2 a a2 g | f2 e d3/2 e/ f | e2 A B2 c |1 d3 d3 :|2 d3 d2 ||"^B" d | c2 B c2 d | 
 e3/2 f/ e A2 f | e2 d e2 f | g3- g2 a | f3/2 e/ d e2 A | e3/2 f/ e g2 f | e3/2 d/ c B2 A | 
 A3- A2 |]  