Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:2/2
K:A
['ABcd e2', 'A2 e2 abag f2 (ga) bfbf agfe'  
X:1
L:1/8
M:2/2
K:A
 uE2 | ABcd e2 (cf) | ecaf ecBc | ABcd e2 (cA) | EcBc A2 :: e2 | abag f2 (ga) | bfbf agfe |1 
 abag fedc | dcBA B2 :|2 agfe dcBA | EcBc A2 |]  