Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/4
Q:3/4=100
M:6/4
K:G
['c d', 'e f'  
X:1
L:1/4
Q:3/4=100
M:6/4
K:G
 e/f/ | g2 G B2 c | d D2 F2 G | A B c B c d | A3 G2 :| G | B d2 g2 f | e f g a2 ^c | 
 d e f g3/2 a/g/f/ | e3 d2 (e/f/) | (g/f/) (e/ d3/2) B2 (A/B/) | (c/B/) (A/ G3/2) F2 G | 
 A B c B c d | A3 G2 |]  