Develop melodic lines using the assigned musical pattern and given motif.
X:1
L:1/8
M:4/4
K:D
['B2 Bd f2 ed c2 cd c4', 'd2 cB'  
X:1
L:1/8
M:4/4
K:D
|: B2 Bd f2 ed | c2 cd c4 | f2 fg fedc | decd B2 B2 :: G3 B d2 cB | d2 cB F4 | f2 fg fedc | 
 decd B2 B2 :|  