In his too-brief career, Swedish DJ/producer Avicii became one of the most dynamic figures of the early 2010s electronic dance boom. A new collection, sanctioned by his estate, will honor that body of work. Avicii Forever offers, on CD or two LPs, 20 tracks from his albums and EPs, including the worldwide hits “Wake Me Up,” “Levels,” “Hey Brother” and “The Days.” The set also includes a previously unreleased track, “Let’s Ride Away,” featuring vocals by Elle King. Physical copies of the album will also include the recent single “Forever Yours (Tim’s…