Avicii (Tim Bergling, 1989-2018) was a Swedish EDM DJ/producer who revolutionized dance music by blending house with folk, country, and rock. His 2013 debut album "True" featured the 4x-platinum hit "Wake Me Up," which topped charts in 81 countries and became Spotify's most-streamed song. Known for genre-defying collaborations with artists like Chris Martin and Coldplay, he earned Grammy nominations and multiple awards before his death in 2018.