Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/4
M:6/4
K:C
['G c3/2 B/ c (d e) c', 'd2 G/4A/4B/ c3/2 B/ A G c'  
X:1
L:1/4
M:6/4
K:C
 G | c3/2 B/ c (d e) c | d3 G2 c/d/ | (e c) A (f d) c | d3- d2 :: G/4A/4B/ | c3/2 B/ A G c G | 
 (A c) A F2 A | (d f) d (A d) A | B d B G2 c/d/ | (e c) d (G c) B | c3- c2 :|  