This track is called "Don't Give Up On Us" or "Enough Is Enough" sometimes but Let Me Show You Love seems to be the real title. Thanks to @team-avicii for uploading the complete song.

Ash - Let Me Show You Love (Ash & Avicii's Hype Machine Mix)

Avicii & ASH - Let Me Show You Love (feat. Yolanda Selini) (Avicii Hype Machine Remix)

This is a Mix from Axwells concert at Tomorrowland in Brasil!!

Axwell - Resurrection x Walking On A Dream x Greyhound x Flood

Avicii - Let Me Show You Love Ft. Nervo (Original Mix)

Alice

Avicii - Don't Give Up On Us (Enough Is Enough)

Avicii's mashup of his own "Sunshine" (feat. David Guetta) with Florence + The Machine's "Spectrum (Say My Name)", premiered at Pier 94 this past new year's, December 31, 2011.

Alice

Dingo Dango