Black Sabbath continue working on a new album with producer Rick Rubin.
The group updated fans on the project on Thursday, posting news that Geezer Butler "is all set to record some more bass tracks on the new album today." The update included a black and white photo of Geezer’s basses in the studio.
Three original Sabbath members - Ozzy Osbourne, Tony Iommi and Butler - press on while drummer Bill Ward sits out the planned reunion over a contract dispute.
The band’s first studio effort since 1978’s “Never Say Die” is being recorded at Shangri La Studios in Malibu.
Last month, Metal Injection reported that 15 songs that have been written, and according to Butler, 12 of them will make the record, most likely with the additional three serving as bonus tracks for different special editions.
Iommi completed all 15 guitar tracks during the band's sessions in England earlier this year. Ozzy is tracking vocals, with bassist Geezer writing all the lyrics. One song title has been confirmed: "God Is Dead."
The new Sabbath album is due in April.
Black Sabbath: The Vinyl Collection 1970-1978 box set announced
VIDEO: Ozzy Osbourne’s Crazy Train by Broadway’s Rena Strober & Tina Guo
Black Sabbath: Tony Iommi’s Iron Man released on paperback
Black Sabbath: Ozzfest Japan 2013 update
Black Sabbath, Slipknot confirmed for Ozzfest Japan 2013
Black Sabbath announce Australian tour, confirm album release
Black Sabbath: Australian tour announcement due on Halloween?
Ozzfest Japan announced
VIDEO: Black Sabbath classic covered by 10-year old girl
Black Sabbath And Philosophy: Mastering Reality book available
Black Sabbath album update
Black Sabbath to tour Australia in 2013
Ozzy Osbourne’s son Jack marries in Hawaii
Ozzy Osbourne’s son Jack to get married this weekend
Black Sabbath’s Tony Iommi named Greatest Metal Guitarist
VIDEO: Black Sabbath guitarist remembers Led Zeppelin’s John Bonham
Metallica top Rolling Stone’s Greatest Heavy Metal Albums poll
Black Sabbath goalie mask tribute unveiled
VIDEO: Watch complete Black Sabbath set at Lollapalooza
Black Sabbath: Lollapalooza interview to air on SiriusXM
VIDEO: Black Sabbath rock Lollapalooza
VIDEO: Black Sabbath share Paranoid from Birmingham concert
VIDEO: Ozzy Osbourne rocks Crazy Train on new live DVD
Zakk Wylde names new son after Black Sabbath
Black Sabbath remains open for Bill Ward’s return
Ozzy Osbourne cancels German concert due to vocal issues
Ozzy Osbourne’s son, Jack, diagnosed with Multiple Sclerosis
AUDIO: Black Sabbath – Hear complete Download concert
VIDEO: Anthrax cover Black Sabbath classic
God Bless Ozzy Osbourne to air on Showtime
VIDEO: Black Sabbath rock Download festival
VIDEO: Black Sabbath say door is open for drummer’s return
VIDEO: Slash joins Ozzy Osbourne for Black Sabbath classics in Sweden
Black Sabbath have 15 songs written for new album
VIDEO: Slash joins Ozzy Osbourne for Black Sabbath classics in Oslo
VIDEO: Slash joins Ozzy Osbourne for Black Sabbath classics in Norway
VIDEO: Little Ozzy Osbourne performs on America’s Got Talent
VIDEO: Black Sabbath – Watch complete Birmingham reunion concert
Black Sabbath guitarist comments on semi-reunion show
Black Sabbath drummer responds to bassist’s statement
Black Sabbath drummer requested image removal from band website
VIDEO: Black Sabbath rock Birmingham