Complex sentence: What we do know though, is that Atticus Ross, Leopold Ross and Brett Gurewitz are currently recording an Error album, the album is not going to feature Greg Puciato on vocals but an as yet, unknown vocalist.
Split into simpler sentences: What we do know, though, is that Atticus Ross, Leopold Ross and Brett Gurewitz are currently recording an Error album. The album is not going to feature Greg Puciato on vocals, but an as yet unknown vocalist.