Develop melodies according to the outlined musical structure, including the given motif.
X:1
L:1/8
M:4/4
K:Bb
['B2 bg fd(cB)', 'dBB c (BGFE) DEFD ECC=B cGGA BGFE'  
X:1
L:1/8
M:4/4
K:Bb
 F | B2 bg fd(cB) | AFcF dFcF | B2 bg fd(cB) | FBAc dBB :: c | (BGFE) DEFD | ECC=B cGGA | 
 BGFE DEFD | B,BAc dBB :|  