Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:6/8
K:C
['d2 c c3-'  
X:1
L:1/8
M:6/8
K:C
|: c |"C" c>dc G2 g | e3- e2 c | cdc"C7" G2 _B |"F" A3- A2 F | F>GA/B/ c2 d |"G7" d>cB/A/ G2 g | 
"C" e>fg"G7" d2 c |"C" c3- c2 :: c |"C" e>fg g>fg | e>fg g>fe |"F" f2 g"G7" a2 b |"C" c'6 | 
 c'2 g e>fg |"F" a2 f"G7" d>ef |"C" g2 e"Am" c>de |"Dm" d2 B"G7" G>AB |"C" c2 c"F" A>Bc | 
"D7" d2 c"G" B>AG |"C" e>fg"G7" d2 c |"C" c3- c2 :|  