Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:2/4
K:D
['d>e f>g a>f d>f', 'z Bb ba g/a/g/f/ e2 Aa ag'  
X:1
L:1/8
M:2/4
K:D
 A | d>e f>g | a>f d>f | g>e a>g | f/g/f/e/ d>A | d>e f>g | a>f d>f | e>f g>e | d2 z ::"^*" z | 
 Bb ba | g/a/g/f/ e2 | Aa ag | (f/g/f/e/) d>A | d>e f>g | a>f d>f | e>f g>e | d2 z"^*" :|  