Produce music compositions abiding by the stipulated structure and the presented musical idea.
X:1
L:1/4
M:4/4
K:C
['c d']  
X:1
L:1/4
M:4/4
K:C
 c2 B A | G2 c2 | d2 c d | e2 c2 | f2 e d | e2 d c | B c d B | c4 | c2 B A | G2 c2 | d2 c d | 
 e2 c2 | f2 e d | e2 d c | B c d B | c4 | c2 d e | f2 e2 | d2 ^c2 | d4 | d2 e f | g2 c2 | d2 c B | 
 A2 G2 | c2 B A | G2 c2 | d2 c d | e2 c2 | f2 e d | e2 d c | B c d B | c4 ||  