Produce music compositions abiding by the stipulated structure and the presented musical idea.
X:1
L:1/8
M:2/4
K:Bb
["f'2 e'2 c'3"]  
X:1
L:1/8
M:2/4
K:Bb
 f'2 e'2 | c'3 b | c'4 | f'2 e'2 | c'3 g | b4 | b b2 b | g' f'2 f' | c'2 f'2 | c' e' c' b | 
 g g2 b | c'2 b g | b f2 e | f4 |]  