Construct a musical piece using the designated motif and sticking to the alphabetical form presented.
X:1
L:1/8
M:4/4
K:Bb
['G<A F>D B,<D D<B, B,', 'f>B A/B/c c>B F>_A G<E F<D D>F']  
X:1
L:1/8
M:4/4
K:Bb
 d |"Bb" B<B B2"F7" c>A F<A |"Gm" B<B"C7" c>B"F" A<F F>B |"Eb" G<A B>G"Bb" F>D B,<D | 
"Eb" E<G"F" F>E"Bb" D<B, B, :| f |"Bb" d>B f>B b>B f>B |"F7" A/B/c c>B A<F F2 | 
"Eb" G<A B>G"Bb" F>D B,<D |"Cm" E<G"F7" F>E"Bb" D<B, B, |] B |"Bb" d>B f>B b>B f>B | 
"F7" A/B/c c>B A<F"Bb7" F>_A |"Eb" G<E E>G"Bb" F<D D>F |"Cm" E<C"F7" C>F"Bb" D<B, B, |]  