Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:2/2
K:Amix
['a2 ab'  
X:1
L:1/8
M:2/2
K:Amix
|:"^A" eg |"A" a2 ab ageg | a2 ab agef |"G" g2 gg fgag |"D" f2 d2 d2 ::"^B" ed |"A" cAcA"E" B2 ed | 
"A" cAcA"E" E2 ed |"A" cAcA"E""_* or 8ths B C# D E" B2 ed |"A" c2 A2 A2 ::[K:Ador]"^C" AB | 
"Am" cdec"G" BcdB |"Am" ABAF"Em" GF E2 |"Am" cdec"G" BcdB |"Am" c2 A2 A2 :|  