Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
Q:1/4=120
M:4/4
K:C
['e z', "B>c (d2 e2 f2 ^f2) g2- g/a/b/c'/"  
X:1
L:1/8
Q:1/4=120
M:4/4
K:C
"^Moderate."!p! G>c | e z c z e z c z | a z g z d3 ^d | e z Tc2{Bc} B z Tc2 | 
{Bc} d!ff! z g2 z2 G>c |!p! e z c z e z c z | a z g z d3 ^d | 
 (ec'/b/ a/g/f/e/) (db/a/) (g/f/e/d/) | c z e2 c2 :: B>c | (d2 e2 f2 ^f2) | g2- g/a/b/c'/ g z B>c | 
 (d2 e2 f2 ^f2) | g2- g/a/b/c'/ g z G>c | e/(c/B/c/) a>g e/(c/B/c/) a>g | (f/d/^c/d/) a>g d3 ^d | 
 (e/g/c'/b/ a/g/f/e/ d/c/B/A/ G/F/E/)D/ | C z e2 c2 :|  