SEPULTURA's Andreas Kisser has posted Part 4 in his ongoing Studio Diary series, which deals with the recordings for group’s new album, currently being recorded with producer Ross Robinson (SLIPKNOT, LIMP BIZKIT) at his studio in Venice, California.

Says Kisser: "Around noon of the 11th, Ross, Mike and myself started putting together all the guitar stuff. Before they dismantled the drums Eloy took a photo shoot with our friend from Indonesia Pheren, a great photographer that lives in LA that we met at our last tour in Asia, great stuff. Drums out, guitar amps in.

Ross still has the same guitar cabinet I used on Roots, a destroyed Marshall head that sounds amazing, it was used on albums by SLIPKNOT, MACHINE HEAD and KORN too, it does have a kind of a magic sound. Also I have a cabinet in the studio from a Polish company Lagoba, really cool to have these options to record. For heads I’m using an Orange Rockerverb MK II that is simply the best plus two 5150 and a VHT, all sounding really good. We tried also a Vox, combo that Ross just fixed and it works perfectly, I can’t believe that we are creating such a heavy sound with an Orange and with a Vox, totally sixties.

We found the sound and I recorded one of the guitars, it’s fantastic to see Ross working with the pedals on the floor, he goes after the perfect sound for each part of the song, it’s a lot of fun. Before I finished the other guitar Ross wanted to start with Derrick. He did some vocals on the track and he kicked ass! Derrick never sounded so good and powerful, Ross is extracting the best of all of us.

Next morning we were preparing to record the second guitar when Ross received a message on his phone, he was really excited about it so he stopped everything to tell us what was going on: Dave Lombardo (PHILM), the one and only ex-drummer from SLAYER, was real close to the studio with his kids and his dog enjoying some time at the beach, Ross asked if he would like to come to the studio and jam something on our album and he said YES! We were so excited, we could not believe that one of our great idols was ready to be a part of our new album."

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In Andreas' last studio diary, he reported that Eloy Casagrande has finished recording all the drum tracks for the group’s new album.

"The young drummer sent us a video that shows excerpts of the recordings. Check out how he blows everything up!"

The follow-up to 2011's Kairos - due in October via Nuclear Blast Records - is being co-produced by Steve Evetts, who has worked with Sepultura on 2001's Nation, 2002's Revolusongs and 2003's Roorback.

Kisser remarked about the recordings recently: "We have six songs recorded, is going in a rate of two songs a day and Ross is also giving important suggestions on some arrangements and directions, he is so sensitive and very close to nature, philosophical but real, very real.

We are all together in a very small room playing our hearts out, Ross is jumping and screaming making us explode on the room. All is sweaty and full of energy that you almost can grab it, is amazing. Every time that Ross have an idea he stop everything to try out the changes, 95% of his input we use it, it’s a team effort for the better of the song.

We have 12 songs to record and two bonus tracks (the previously announced covers of DEATH and Brazilian group CHICO SCIENCE E NAÇÃO ZUMBI) as I mentioned before, originally we had 13 songs but once we were here we decided to cut one and focus on the 12. I would like to share too some of the working titles for the songs we have. When we write the music, most of the time we don’t have a name for it so we create some nicknames to help us identify the songs, it can come from the style of the songs or anything else that will make us remind the riffs we are working on. For instance, the style of the music can help like PUXADA (Pulling) that reminds the style of riffing I’m playing on the guitar or PORRADA (Punch), which is the fastest song on the album. Other nicknames are: 'Strangiatto', 'Xisto Riff', 'Fu Riff', 'Levada Eloy', 'Balada', 'Tsunami' and 'The Vatican', which is the actual name for the song but started as a nickname cause we wrote the song the very day and time the Argentinian Cardinal Francis was chosen as the new Pope in Rome. It’s one of the most evil lyrics I ever wrote."