For the 20th anniversary of In Utero, the album’s producer Steve Albini revisited the original multi-track tapes and created a new stereo mix using modern equipment and 20 years of additional experience to provide fans with a new and updated album experience. The 2013 Mix edition was available as a Back To Black Friday Record Store Day exclusive on 2-LPs at 45rpm on 180-gram heavy weight vinyl and features 320kbps MP4 AAC digital download audio.