Young Thug Holds SXSW Funeral Procession to Announce 'Slime Season 3′ Release Date

Nothing says "New mixtape on the way!" quite like lugging a casket through a jazz funeral on the streets of Austin. Young Thug has never been the most conventional of self-promoters, though, so he built hype for the release of his upcoming Slime Season 3 tape -- expected earlier this year, when I'm Up was…