Craft a musical piece that incorporates the given motif and follows the outlined structure.
X:1
L:1/8
M:2/2
K:Bb
['f2 B2 edcB', "ac' b2 dg f2 FGBc d2 B2"  
X:1
L:1/8
M:2/2
K:Bb
 bg |"Bb" f2 B2 edcB | f2 B2 edcB |"Cm" g2 c2 cdef | g2 c2 cdeg |"Bb" f2 ed b2 ag | 
 f2 ed"Cm" c2 Bc |"Bb" dcBG"F7" FGBc | d2 B2 B2 || | bc' |"Bb" d'2 bd'"Cm" c'2 ac' | 
"Bb" b2 gb"Eb" g2 df |"Cm" gcbc cdef | gcbc ca"F7"bc' |"Bb" d'2 bd'"Cm" c'2 ac' | 
"Bb" b2 gb"Eb" b2"Gm" dg |"Bb" f2 F2"F7" FGBc |"Bb" d2 B2 B2 |]  