Construct melodies utilizing the provided motif and adhere to the outlined musical structure.
X:1
L:1/16
M:4/4
K:F
['c2c=B c2fa', "f6 [K:C] ef g4 ag^fg c'2e=f g2cd", 'f2fe f2a2 c2c=B cdef', 'b2>f2d2e2 g2>f2 =efab'  
X:1
L:1/16
M:4/4
K:F
 fa | c2c=B c2fa c2c=B c2fa | g2g2 g2fg a4 f2>a2 | c2c=B c2fa c2c=B c2fa | g2ag fede f6 :| 
[K:C] ef | g4 ag^fg c'2e=f g2cd | e2e2 fede g2>f2 f2e2 | d4 ed^cd f2B=c d2GA | Bcde fgab c'6 :| 
[K:F] c'a | f2fe f2a2 c2c=B cdef | g2c2d2e2 f2g2 a2c'a | f2fe f2a2 c2c=B cdef | g2c2d2e2 f6 :| 
[K:Bb] ff | b2>f2d2e2 g2>f2 =efab | c'2fa c'2=bc' d'2_bb b2ff | b2>f2d2e2 g2>f2 =efab | 
 c'2ffa2a2 b6 :|  