Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:3/4
K:Bb
['BdB d2 f fed BdB edc']  
X:1
L:1/8
M:3/4
K:Bb
 BdB | d2 f | fed | BdB | edc | B3 :|  