Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:4/4
K:D
['D2 F2 D>F A2 F>A d>fe>c d3', 'A2 A2 B>AB>c d2 (3def A>BAG GFED'  
X:1
L:1/8
M:4/4
K:D
|: D2 | F2 D>F A2 F>A | d>fe>c d3 A | d2 f>d B2 c>d | e>c A>A A2 :: A2 | B>AB>c d2 (3def | 
 A>BAG GFED | FABc dBGE | F>G A>F D2 :|  