Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:2/4
K:D
['(3A,/B,/C/ D (3A,/B,/C/ DF AAA B/c/ de/f/', 'z e>cA>A A^G =G2 F/A/d/c/ B/A/G/F/ F2', 'f3 g ba gf', 'z AA ^G2 =GG F2 E/G/B/A/ G/F/E/D/'  
X:1
L:1/8
M:2/4
K:D
 (3A,/B,/C/ | D (3A,/B,/C/ DF | AAA B/c/ | de/f/ g/e/f/d/ | eee (3A,/B,/C/ | D (3A,/B,/C/ DF | 
 AAA B/c/ | de/f/ f/d/e/c/ | ddd z :: e>cA>A | A^G =G2 | F/A/d/c/ B/A/G/F/ | F2 EA, | 
 EA,/D/ FD/F/ | AF/A/ df | e/f/g/e/ c/d/e/c/ | dfd z :: f3 g | ba gf | egce | d/e/f/g/ a/b/c'/d'/ | 
 f3 g | ba gf | eg cf | e2 d z :: AA ^G2 | =GG F2 | E/G/B/A/ G/F/E/D/ | E/D/C/B,/ A,2 | f3 g | 
 bagf | eg cf |1 e2 d z :|2 e2 d |]  