Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/4
Q:1/2=112
M:2/2
K:A
['c e'  
X:1
L:1/4
Q:1/2=112
M:2/2
K:A
|:"^A" A |"A" c e-"E7/B" e d |"A" c2"E/G#" B2 |"A" A E-"^/" E G/A/ |"E" B E-"^/" E A | 
"A" c3/2 d/"E/G#" e d |"F#m" c a-"B7" a g/f/ |"E" g f/e/"B7" f ^d |"E" e3 ::"^B" e | 
"D" f3/2 g/"A" a e |"D" f e-"A" e d/c/ |"D" f e-"A" e d/c/ |"E7" d c-"A" c e |"A" A A-"E7/G#" A B | 
"F#m" c f"D" e d |"A/E" c2"E7" c B |"A" A3 :|  