Create a piece of music utilizing the given motif and adhering to the specified structure.
X:1
L:1/4
Q:1/4=120
M:6/4
K:Bb
['G F'  
X:1
L:1/4
Q:1/4=120
M:6/4
K:Bb
"^Cantabile" B, |"Bb" B, C D"Eb" E2 G |"Bb" F D F B3 |"Bb" d3/2 e/ d"Eb" c2 B | 
"Cm" c d c"F" A G F |"Bb" B, C D"Eb" E2 G |"Bb" F D F B3 |"Bb" d3/2 e/ d"C7" c2 B | 
"F" c3-"F7" c2 :: d/e/ |"Bb" f2 F"Gm" B2 A |"Eb" G2 e"F" c3/2 B/ A |"Bb" B2 A"Gm" G2 F | 
"Cm" E2 c"F7" A3/2 G/ F |"Bb" d3/2 e/f/g/"Eb" e2 d |"Cm" c3/2 d/e/f/"F7" d2 c | 
"Eb" B3/2 c/d/e/"F7" c2 B |"Bb" B3- B2 :|  