Compose a piece of music based on the provided motif and adhering to the outlined musical structure.
X:1
L:1/8
Q:1/4=120
M:3/4
K:Bb
['F2 G3']  
X:1
L:1/8
Q:1/4=120
M:3/4
K:Bb
 F6 | B2 D3 D | D2 C3 B, | F6 | E4 F2 | c2 A3 F | F2 G3 A | B6 | B4 F2 | B2 B3 A | c2 B3 A | 
 G4 FD | E4 G2 | F2 G3 F | ed3/2cB5/2 | B6 | B5/2 ||  