Steve Albini is an American musician, record producer, audio engineer and music journalist. He was a member of Big Black, Rapeman and Flour, and is a member of Shellac. He is the founder, owner and principal engineer of Electrical Audio, a recording studio complex in Chicago. In 2018, Albini estimated that he had worked on several thousand albums over his career. He has worked with acts such as Nirvana, Pixies, the Breeders and PJ Harvey.
Charles Robert Simpson is an English singer, songwriter and musician. He is the youngest member of multi-BRIT Award-winning band Busted and he is also the lead vocalist and the rhythm guitarist in the British post-hardcore band Fightstar. AllMusic has noted that Simpson is 'perhaps the only pop star to make the convincing transition from fresh-faced boy bander to authentic hard rock frontman'. Simpson is a multi-instrumentalist, playing guitar, keyboard, piano and drums.
Frank Anthony Iero, Jr. is an American musician who is the rhythm guitarist and backup vocalist of the rock band My Chemical Romance and post-hardcore band Leathermouth. He has a solo project titled Frank Iero and the Future Violents. He released his debut solo album titled Stomachaches on August 26, 2014.
Ian D'Sa is an English-born Canadian guitarist for the band Billy Talent. He is of Goan background.
Jade Errol Puget is an American musician and producer, best known as the guitarist for the rock band AFI, the guitarist/writer for the straight edge hardcore band XTRMST, and the keyboardist/synthesizer operator for the electronic duo Blaqk Audio. Puget is vegetarian and straight edge.