sentences:  Vocalist Tarin Kerrey was also invited to do backing vocals for Iron Maiden's Adrian Smith and SikTh's Mikee Goodman in their side project Primal Rock Rebellion, Tarin featured on three of the tracks.In 2013, Sanguine started recording their next album in Sweden with ex-In Flames guitarist Jesper Strömblad and producer Daniel Flores.The album featured two co-written songs "Empty" and "Breathe Out" (both tracks were co-written by Nick Magee, Tarin Kerrey, Jesper Strömblad and Daniel Flores).