A small selection of songs or bits and artists from this Spotify playlist:

Tenacious D – Tribute
Bloodhound Gang – Uhn Tiss Uhn Tiss Uhn Tiss
Weird Al Yankovic – Ebay (Parody of "I Want It That Way" by the Backstreet Boys)
Flight Of The Conchords – Hiphopopotamus vs. Rhymenoceros [feat. Rhymenoceros and the Hiphopopotamus]
Liam Lynch – United States of Whatever
Doug Stanhope – Rules of War
Richard Cheese – Rape Me
Monty Python – Always Look On The Bright Side Of Life (Monty Python Sings)
Rodney Carrington – Show Them To Me
The Presidents Of The United States Of America – Video Killed The Radio Star
Adam Sandler – At A Medium Pace
Crazy Frog – Axel F
Psychostick – BEER!!!
Jamie Kennedy & Stu Stone – Circle Circle Dot Dot
Elakelaiset – Das Model
Morecambe & Wise – Bring Me Sunshine