Task: Sentence Expansion
Input (English): Tim Bergling ( -RSB- ; 8 September 1989 – 20 April 2018 ) , known professionally as Avicii , was a Swedish musician , DJ , remixer , and record producer .
Output (English): Tim Bergling ( -RSB- ; 8 September 1989 – 20 April 2018 ) , known professionally as Avicii ( , -RSB- ) , was a Swedish DJ , electronic musician , and songwriter who specialized in audio programming , remixing and record producing .