Develop a piece of music using the specified alphabetic notation system and the provided motif.
X:1
L:1/8
M:4/4
K:Amin
['G<EE>G D>EG>B', 'g>g a/g/f/e/ d/c/B/A/', 'g<ee>g d>eg>a', 'g<be<g d<gB<G']  
X:1
L:1/8
M:4/4
K:Amin
 B | G<EE>G D>EG>B | A/A/A (e>A) c>Ae>A | G<EE>G D>EG>B | c>A{c}B>G A/A/A e :| ^f | 
 g>g a/g/f/e/ d/c/B/A/ G<B | A/B/c/d/ e>A c>Ae<^f | g>g a/g/f/e/ d/c/B/A/ G>B | 
{d} c>A{c}B>G A/A/A a2 | g<be>g d<gB>G | G<gA<a B<bA<B | G<EE>G D>EG>B |{d} c>AB>G A/A/A e |: ^f | 
 g<ee>g d>eg>a | b/aag/a/ b/aa<b | g<ee>g d>eg>a |1 b>aa<^g a2 b :|2 baa^g a2 a || ^f | 
 g>g a/g/f/e/ d/c/B/ G<B | A/B/c/d/ e>A c>Ae<^f | g>g a/g/f/e/ d/c/B/A/ G<B |{d} c>AB>G A/A/A a2 | 
 g<be<g d<gB<G | g<be<g d<gB<G | G<gA<a B<bA<B | G<EE>G D>EG>B |{d} c>A{c}B>G A/A/A e ||  