Develop musical compositions in line with the specified format and incorporating the provided musical theme.
X:1
L:1/8
M:2/4
K:Amix
['A2 EA ce c2- c2 BA ed', 'A B/A/ EA'  
X:1
L:1/8
M:2/4
K:Amix
 A2 EA | ce c2- | c2 BA | ed dc | AA EA | A/B/c/d/ e2- | e2 dc | ed dc :: A B/A/ EA | ce cB | 
 A B/A/ EA | ef e/d/c/B/ | A B/A/ EA | ce cB | A B/A/ EA |1 ef e/d/c/B/ :|2 e2 e/d/c/B/ ||  