Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/4
M:3/4
K:none
['z g', "z c'"]  
X:1
L:1/4
M:3/4
K:none
[K:C]"G7" f2 d | b2 a |"C" g3 | e3 | c e3/2 c'/ |"G7" g2 f | B d3/2 a/ |"C" g2 e |"G7" f2 d | 
 b2 a |"C" g3 | c e3/2 a/ |"G7" g3 | d g3/2 b/ |"C" c'3/2 c'/ c' | c' z g ||"C" a z g | e z g | 
"G7" d z g | f2 g | b z a | g z f |"C" a z g | e2 g | a z g | e z c' |"F" d' z c' | a3 |"G7" g2 b | 
 f2 b |"C" c'3/2 c'/ c' | c' z z |]  