Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:4/4
K:Amin
['G EAAB cBAc BGDC B,A,G,B, A,AcB Acea', 'eaca B=gdg B=GGB'  
X:1
L:1/8
M:4/4
K:Amin
 G | EAAB cBAc | BGDC B,A,G,B, | A,AcB Acea | gedB cAA :|[K:A] B | Aaga eaca | B=gdg B=GGB | 
 A(aga) eaca | =gedB =cAAB | A(aga) eaca | B=gdg B=GGB | AB=cA Bcdf |{f} =gedB =cAA ||  