His representative Diana Baron confirmed in a statement the death of the 28-year-old DJ in Muscat, Oman.
"The family is devastated and we ask everyone to please respect their need for privacy in this difficult time," the statement reads.
His death comes just days after his EP "Avicii (01)" was nominated for a Billboard Music Award for the best Dance/Electronic album. In 2014, the deejay's song "Wake Me Up!" recieved the Billboard Music Award as a top electronic song.
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In 2016 Avicii abandoned touring after he had his his gallbladder and appendix removed, as the musician suffered acute pancreatitis, partly due to excessive drinking. However, he continued making songs in the studio.
Among his hits are such famous songs as "Wake Me Up!" "Levels," and "Hey Brother."
People all over the world started mourning the late musician, paying tribute to his art and personality.