Craft a musical composition with the supplied motif and conforming to the necessary format.
X:1
L:1/8
M:4/4
K:Bb
['z2 (F4 F>)B d>B (G4 G>)B A>G'  
X:1
L:1/8
M:4/4
K:Bb
"Bb" F>F F>G F>E D>E | F2 B2 F4 |"Eb" G>G G>A c>B A>G |"Bb" F2 D2"F" C4 |"Bb" F>F F>G F>E D>E | 
 F2 B2 B2 B>c |"Bb/F" d>d c>B"F7" c>c B>A |"Bb" B6 z2 ||"Bb" (F4 F>)B d>B |"Eb" (G4 G>)B A>G | 
"Bb" F3 B d2 B2 |"F7" c6 z2 |"Bb" (F4 F>)B d>B |"Eb" (G4 G>)B A>G |"Bb/F" F3 B"F7" d2 c2 | 
"Bb" B6 z2 |]  