Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:2/2
K:A
['e>f |{a} g>fg>e', 'd>BB>d c2 c>B A2 G>A B>cB>F (GE<)ED/'  
X:1
L:1/8
M:2/2
K:A
 A>G | E>AA>G A>cB>A | G>AB>c d2 e>f |{a} g>fg>e d>BB>d | c>AB>G (GE<)ED/ | E>AA>G A>cB>A | 
 G>AB>c d2 e>f |{a} g>fg>e e>dB>G | A2 A>A A2 :: e>f |{a} g>fg>e a>ga>e | g>fg>e d>BB>d | 
 c2 c>B A2 G>A | B>cB>F (GE<)ED/ | E>AA>G A>cB>A | G>AB>c d2 e>f |{a} g>fg>e e>dB>G | A2 A>A A2 :|  