The presence of a well-tempered clavier implies the existence of claviers that are absolutely feral, barely able to contain their immense power, waiting for any excuse to burst out into the wildest ride you've ever heard
You will, I hope, be familiar with The Short-Tempered Clavier: https://www.youtube.com/watch?v=UGdBgjvO63Y

YouTube
P.D.Q. Bach - The Short Tempered ClavierI take your well-tempered clavier and give you Henry Purcell on the enharmonic harpsichord*
https://youtu.be/Z083kl7TbVA
* with superfluous blue tits

YouTube
H. Purcell on enharmonic Harpsichord Suite No. 2 in g minor Z. 661 on Harpsichord, III Corant (3/4)