Create a musical piece that includes the provided motif while adhering to the necessary musical structure.
X:1
L:1/4
Q:3/4=110
M:6/4
K:C
['c3/2 d/ c e2 e d3/2 e/', 'g a'  
X:1
L:1/4
Q:3/4=110
M:6/4
K:C
 c3/2 d/ c e2 e | d3/2 e/ d f3 | e g c f2 e | d c B c3 :| c'2 b c'2 g | b2 b a2 g | a b c' c'2 g | 
 a g e d3 | (a g) f (e f) g | (a g) f (e f) g | a g e f2 e | d c B c3 |]  