(Image via Piece of Magic)

Phenomenally successful Swedish producer and DJ Tim Bergling, whose stage name was Avicii, has died at age 28, Variety reports.

The two-time Grammy nominee's death was announced via a statement from his rep that read:

It is with profound sorrow that we announce the loss of Tim Bergling, also known as Avicii. He was found dead in Muscat, Oman[,] this Friday afternoon local time, April 20th. The family is devastated and we ask everyone to please respect their need for privacy in this difficult time. No further statements will be given.

Avicii had retired from live performances in 2016 over health issues.

No cause of death is known.

Among Avicii's many successes were his albums True (2013) and Stories (2015), and such singles as “Bromance” (2010), “Fade Into Darkness” (2011), “Levels” (2011), “I Could Be the One” with Nicky Romero (2012) and the smash hits “Wake Me Up” (2013) and “Hey Brother” (2013). Most recently, he enjoyed a Swedish #1 hit with Sandro Cavazza on “Without You” (2017). His final single was “Lonely Together” with Rita Ora (2017), a #3 hit in Sweden.

He worked with numerous pop artists, among them Madonna, whose “Girl Gone Wild” (2012) he remixed, and on whose Rebel Heart (2015) album he had writing and production credits on “Devil Pray”, “HeartBreakCity,” “Wash All Over Me,” “Messiah” and the title track.