Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:4/4
K:G
['G<G F>G', 'g<g b>a g>dB>d G>Bd>B']  
X:1
L:1/8
M:4/4
K:G
 G<G F>G A>FD>C | B,>DA,>D (B,<G,) G,2 | A<A ^G>A c>AE>D | C>EB,>E (C<A,) A,2 | G<G F>G A>F D2 | 
 B<B A>B c>A F2 | d<d ^c>d (3ed=c (3BAG | (3FED (3cBA G2 B>d |] g<g b>a g>dB>d | 
 G>Bd>B (3gfe (3dcB | c<c e>d c>ea>g | (3fga (3gfe d2 e>f | g<g b>a g>dB>d | G>Bd>B g>dB>G | 
 c<c e>c B<B d>B | (3ABc (3def g2- g z |]  