Develop a musical composition centered around the provided motif while maintaining the appropriate form.
X:1
L:1/8
M:6/8
K:Bb
['G F2']  
X:1
L:1/8
M:6/8
K:Bb
 G | F2 D C2 B, | E2 G B2 G | F2 E D2 C | B,3 z B, | D2 E (FG)A | B2 F c2 B | A2 F A2 G | F3 z B, | 
 D2 E F2 G | B2 A c2 B | A2 F (FG) A | B3 z G | F2 D C2 B, | E2 G B2 G | F F E D2 C | B,3 z |]  