Towards the end of recording "Spiritual Machines", percussionist Jeremy Taggart suffered a serious ankle injury during a mugging while walking his dog. While he recovered, Taggart's friend Matt Cameron, former drummer for Soundgarden and current drummer for Pearl Jam, filled in for Taggart on the tracks "Right Behind You (Mafia)" and "Are You Sad?", which Taggart had already written the drum parts for. When the final tracks were ready for mixing, the band shopped around before finding a producer they wanted. The album was mixed in Atlanta, Georgia by Brendan O'Brien, Pearl Jam's long time producer. "It was an amazing experience working with Brendan, someone who immediately understood what we were trying to do and was able to capture exactly how we heard this album," noted Maida.