Create music compositions that adhere to the given structure and incorporate the provided musical concept.
X:1
L:1/8
M:4/4
K:Amin
['E<AA>B c>AB<G D<GG>A B>dB<G E<AA>B c>Bc<e d<Bg>B', 'A<aa>g e>dc<e'  
X:1
L:1/8
M:4/4
K:Amin
 E<AA>B c>AB<G | D<GG>A B>dB<G | E<AA>B c>Bc<e | d<Bg>B A2 A2 :| A<aa>g e>dc<e | d<eg>e d>BG<B | 
 A<aa>g e>dc<e | d<Bg>B A2 A2 | A<aa>g e>dc<e | d<eg>e d>BG<B | c<Ad>B e>dc<e | d<Bg>B A2 A2 ||  