Could you tell me please, who sings this fabulous song from the folloving video:

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Thank you!
Du you mean this one ?

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David Guetta- One love..

I think there's another one at the beginning, but couldn't figure out the name.
The one at the beginning is Empire State of Mind by Jay-Z featuring Alicia Keys.
Students: Are you brave enough to let our tutors analyse your pronunciation?
jennessThe one at the beginning is Empire State of Mind by Jay-Z featuring Alicia Keys.

Oh, yes. I wonder why I didn't recognize it myself -> Jay-Z's voice