Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:4/4
K:G
['G>A B2 B2 B>AB>c d2 d2 z2']  
X:1
L:1/8
M:4/4
K:G
 G>A | B2 B2 B>AB>c | d2 d2 z2 e>d | d2 c2 ed c2 | B4 z2 G>A | B2 B2 B>AB>c | d2 d2 z2 e>d | 
 d2 c2 ed c2 | B4 z2 |]  