Create a composition based on the provided motif, following the specified musical structure.
X:1
L:1/8
Q:1/8=150
M:6/8
K:Bb
['D2 z']  
X:1
L:1/8
Q:1/8=150
M:6/8
K:Bb
"Bb" D>DD D2 D | F3 D2 z | F>ED"Cm" C2"F7" E |"Bb" D3- D2 z | D>DD D2 D | F3 D2 z | 
"Bb/F" F>ED"F7" C2 D |"Bb" B,3- B,2 z |"Eb" E>EE E2 G |"Bb" G3 F2 z |"C7" =E>EE EFG | 
"F" F3-"F7" F2 z |"Bb" B>BB"F7" A!fermata!A z |"Bb7" _A!fermata!A z"Eb" G !fermata!G2 | 
"Bb/F" F>ED D2"F7" C |"Bb" B,3- B,2 z |]  