The Clash vs. Stevie Wonder: Casbah Wonder
(Dunproofin' Mashup Mix) (May 2010)

Lady Gaga vs. Jay Sean ft. Sean Paul & Lil' Jon: Poker Face Remember
(Pomatic's Mash Hitz) (May 2010)

Lady Gaga vs. Taio Cruz: Break Paparazzi's Telephone
(Pomatic's Mash Hitz) (May 2010)

Beyonce vs. UGK ft. Lady Gaga: Video Phone Been Good To Me
(Pomatic's Mash Hitz) (May 2010)

Lady Gaga vs. Modern Talking: Just Dance If You Want
(Pomatic's Mash Hitz) (May 2010)

Lady Gaga vs. Eminem: Beautiful Telephone
(Pomatic's Mash Hitz) (May 2010)

Eminem vs. Alexander Rybak: Fairytale Without Me
(Mash Mike Mashup Mix) (May 2010)

Related links (for more information, mixes, mp3s):
Pomatic
Dunproofin