Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:4/4
K:A
['c2 e3', 'A2 Ac'  
X:1
L:1/8
M:4/4
K:A
 cB | A2 c2 e3 A | c2 (e4 e)(e | f)afe d2 f2 | e3 f e2 cB | A2 c2 e3 e | c2 (e4 e)(e | f)afe defg | 
 abaf e2 c2 | e3 f e2 cB |: A2 Ac BABA | c2 A4 EF | A2 Ac Bc B2 | A3 B A2 EF | A2 Ac BABA | 
 c2 e2 c2 e2 | efec B2 c2 |1 A3 B A2 EF :|2 A3 B A2 ||  