Zhala – The album Zhala, released in May 2015, is written, produced and mixed by Mathias Oldén together with Zhala.
Logh – Founding member of the now sleeping band Logh. Between 2001 and 2007 Logh released 4 albums and played roughly 350 shows in the greater part of Europe.
Front of House Engineer – Has toured extensively as a front of house engineer, doing live shows for bands/artists like The Radio Dept., [Ingenting], Korallreven, Britta Persson, Sibille Attar, MF/MB/, Sahara Hotnights and Zhala.
Recording Engineer – Mathias Oldén has worked as a recording engineer in various studios in Sweden and Denmark. Working with producers Pelle Gunnerfeldt, Jari Haapalainen, Christoffer Lundquist and Björn Olsson he has recorded bands/artists such as The Hives, Moneybrother, Titiyo, Atomic Swing, Christian Kjellvander, Mando Diao, Johnossi and Mattias Alkberg BD.