Posthumous albums are usually cash-in souvenirs, but Mac Miller's could be a rarity: a classic

One of the tragic, practical challenges of this era in music is assembling a posthumous album for an artist who barely made it into his or her 20s. The teams behind Lil Peep, XXXTentacion, Avicii and Juice Wrld have already, or soon will, confront the job of deciding what to do with the demos, unfinished productions and troves of notes those artists left behind as guidance.

Sometimes there's an intimately connected guiding figure to oversee the new music, as was the case for Lil Peep and his mother, Liza Womack. Avicii had a tight team of collaborators and longtime intentions