“Black Label Society is up to something,” says the ominous message across BLS’s social media. The band has shared a new trailer teasing something in the works from Zakk Wylde’s primary gig outside of Zakk Sabbath, future live gigs with Ozzy, and his solo work, with the reveal on April 21st, 2021. The teaser features the song “Suicide Messiah” from 2005’s Mafia album. The last BLS album released has Grimmest Hits and Zakk released a solo album Book of Shadows II (eOne Music) and a Black Sabbath tribute record with Zakk Sabbath, the Billboard-charting Vertigo via Magnetic Eye Records.