Elaine Sharp vs Christina Perri vs Corinne Bailey Rae - For You, I Will Be Like A Star (2011)

                           Elaine Sharp "Eshar" - For You I Will Be Myself (vocals)
                           Christina Perri - Penguin (acapella)
                           Corinne Bailey Rae - Like A Star (instrumental)

Foo Fighters vs Martina McBride - Happy Everlong (2011)

                           Foo Fighters - Everlong (acapella)
                           Foo Fighters - Times Like These (tiny acapella at the end)
                           Martina McBride - Happy Girl (inst. + 'pella)
                           I luv this tv show, "Dawson's Creek" (mashup cover)

 

Björk feat. Antony Hegarty vs Samantha James - My Illusions (2011)

                               Bjork feat. Antony Hegarty - My Juvenile (acapella)
                               Samantha James - Illusions (instrumental)

Nirvana vs Laika - Polly Blues (2011)

                                          Nirvana - Polly (acapella)            
                                          Laika - Good Looking Blues        
                                          introducing Polly "The Eagle",hehe*

SM Björk Mashups Collection (2010-2011)

Individual Tracks:

Björk vs The Prodigy - Run With The Earth Intruders (2011)

                               Bjork - Earth Intruders (acapella)
                               The Prodigy - Run With The Wolves (instrumental)
                              

  

Björk vs Better Than Ezra - My Juicy Juvenile (2011)

                                       Björk - Juvenile (acapella)
                                       Better Than Ezra - Juicy (inst. + 'pella)

Phoenix vs The Byrds - Countdown To Nashville (2010)

                                       Phoenix - Countdown (acapella)
                                       The Byrds - Nashville West (instrumental)