Compose melodies using the provided motif and adhering to the designated musical form.
X:1
L:1/8
M:3/4
K:Bb
['F2 G2 B4', 'a2 b3 a gf (gb)(fd)(cB) (B2 c2)'  
X:1
L:1/8
M:3/4
K:Bb
"_Slow" B>c |{Bc} d2 F2 G2 | B4 (ba) | (g2 f)dTcB | (B2 c2) (d>e) |{de} f2 F2 G2 | B4 b2 | 
 f>e d2 Tc2 | B4 :| d2 | Tg>f g2 a2 | b3 a gf | (gb)(fd)(cB) | (B2 c2) d>e |{de} f2 F2 G2 | B4 b2 | 
 (ge)(dc)(BA) | B4 :|  