Produce music compositions abiding by the stipulated structure and the presented musical idea.
X:1
L:1/8
M:3/4
K:Bb
['BABcde f2 dFdF', 'BABcde dfbfdf egceAc'  
X:1
L:1/8
M:3/4
K:Bb
 F2 | BABcde | f2 dFdF | e2 cFcF | d2 BFBF | BABcde | f2 dFdF | f2 cFcd | B4 :: F2 | BABcde | 
 dfbfdf | egceAc | BABFDF | BABcde | dfbfdf | egceAc | B4 :|  