Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:3/4
K:D
['DF A2 AG FA d2 dA BA', 'Ad f2 fa gf'  
X:1
L:1/8
M:3/4
K:D
 DF | A2 AG FA | d2 dA BA | G2 GB AG | FG EF DF | A2 AG FA | d2 dA BA | G3 g fe | d4 :| Ad | 
 f2 fa gf | e2 eg fe | d2 df ed | cd Bc Ad | f2 fa gf | e3 g fe | d2 df ec | d4 :|  