Polyphonic Size: https://www.youtube.com/watch?v=E_Qse8fmwk4
Holger Hiller: https://www.youtube.com/watch?v=q6mycOuX_E8
The Residents: https://www.youtube.com/watch?v=-LQcHnT6trQ
Hybrid Kids: https://www.youtube.com/watch?v=dKpAfZnNdDg
Renaldo and the Loaf: https://www.youtube.com/watch?v=j5ijD-bxzpw