Craft musical compositions with attention to the given structure and cohesion with the proposed musical idea.
X:1
L:1/8
M:2/2
K:G
['ef gfga', '[G,D]2 [G,D]D [B,D]2'  
X:1
L:1/8
M:2/2
K:G
 ef | gfga gedA | BABc B2 ef | gfga gecg | e a2 b a2 ef | gfga gedA | BABc B2 AG | DEFG AcBA | 
 G3 G G2 :: B,A, | [G,D]2 [G,D]D [B,D]2 B, [G,D]2 | [CE]2 [CE][CE] EFGE | 
 [G,D]2 [G,D]D [B,D]2 [B,D][G,D] | [A,D][G,D][A,D][B,D] [A,D]2 B,A, | 
 [G,D]2 [G,D]D [B,D]2 B, [G,D]2 | [CE]2 [CE][CE] EFGE | DEFG AcBA | G3 G G2 :|  