Lenny Kravitz vs Elaine Sharp vs Corinne Bailey Rae - Believe In Me Again (2011)

                               Lenny Kravitz - Believe In Me (acapella)
                               Elaine Sharp "Eshar" - Killing Me (vocals)
                               Corinne Bailey Rae - I'd Do It All Again (inst.+ 'pella)

Coldplay vs Elisa feat. Tina Turner - Shiver Me Again (2011)

                            Coldplay - Shiver (acapella)
                            Elisa feat. Tina Turner - Teach Me Again (instrumental)