Develop melodic lines based on the specified musical pattern and the provided motif.
X:1
L:1/8
M:4/4
K:Bb
['F2 B2']  
X:1
L:1/8
M:4/4
K:Bb
 F2 | B2 B2 c/ B2 D2 E/ | FG F>E D2 B,2 | c2 c c c2 AA | B>B B>c d2 Bc | d d d c B2 BA | 
 GA BG F2 D D | E F G E F F d c | d2 B2 A>B | c2 c2 c2 fe | d2 (3edc B2 A2 | G2 G2 ed cB | 
 B4 A2 FB | BBB>c d2 cB | e4 G2 B2 | c2 d2 c2 | B4 AB | c2 c>c c2 f>e | d2 (3edc B2"^A." F2 | 
 B2 (3BBc d2 c>B | e4 A2 B2 | F2 d2 d2 c2 | B4"^A. or" BA | G2 G>e e2 (3dcB | B4 A2 F2 |]  