Develop an original musical piece that integrates the given alphabet sequence and motif.
X:1
L:1/8
M:4/4
K:D
['F/ A>B{AB} A>F E<F G2S A<B{AB} A>F', 'D3/2 f/ a>b{ab} a>f e<f{gf} g2 a<b{ab}']  
X:1
L:1/8
M:4/4
K:D
|: F/ | A>B{AB} A>F E<F G2S | A<B{AB} A>F A>B d>e | f<d A>F E>F G>A | B<d A<F E2 D3/2 :: f/ | 
 a>b{ab} a>f e<f{gf} g2 | a<b{ab} a>f d>f a>f |{a} g>e f<d e>f{a} g>e | a<b a<g{fg} f2 e3/2 ::  