- LIVE 8.12.2007, Colossus Club-evening: Semifinal, Urho Kekkosen katu 6 Helsinki. Sigma, Nemesis and Rihmasto
- LIVE 10.8.2007, 20:00, Laitama 2007: Nokianpuisto Nilsiänkatu, Vallila, Helsinki. Sigma, Rihmasto and Jason
- LIVE 15.7.2006, 14-16:00 in Koneisto-festival, Helsinki, Lasipalatsi. We play music from Music With Analog Improvised Soundscapes and some new stuff!
- Sigma Ambient Radio ended 25.5.2006 after 2 years transmitting Sigma-music all over the world!
- New www-pages 25.3.2006
- LIVE 16.4.2005 at Ravintola Kantis (Ruoholahti) in Boring As Fuck Club
- LIVE 26.10.2004 at Kanneltalo 18-22:00. Big show! Only Sigma is performing. Visual and musical journey to places never before visited.
- LIVE 22.8.2004, 15:00 at KontuFestari (Kontulan Kelkkapuisto, Helsinki).
- LIVE 13.6.2004 at KOETILA (Fleminginkatu 21, Kallio, Helsinki). Main act between 18:00 and 22:00.
- Ambient laboratorio 20-21.3.2004. at KOETILA (Fleminginkatu 21, Kallio, Helsinki). Non-stop between 12:00 and 22:00 (about).
- Sigma Ambient Radio opened 29.1.2004. It has an over 7 hour playlist of original Sigma music.
- LIVE at Kipsari (Hämeentie 135 E Helsinki) 17.10.2003. A warm up gig for evenings main artist Koneveljet
- LIVE at Hui-High Club BAR ALAHUONE 5.12.2002 Club opens 21.00
- LIVE gig 19.10.2002 at BAR ALAHUONE (Mannerheimintie 13, Helsinki) starting at 23:00. It's an Exogenic Laboratorio evening with many artists/DJ's (Nazal Snax,Koneveljet,Brothomstates, Space Commander Mikkola etc.).
- SIGMA gig in Helsinki-Taiteiden Yö 29.8.2002. Non-stop ambient from 21:30 to 24:00 at Töölönlahti taidepuutarha in Kazuo Makioka's "Karesansui" work behind the Finlandia talo
- SIGMA Live in Koneisto 26.7.2002. Gig is in Helsinki Kaapelitehdas Turbiinisali at 02:00-03:00
- SIGMA in On/Off-elektroniklubi Jumo Jazz Club 5.6.2002. Release-party for Petri Kuljuntausta's "On/Off - Eetteriäänistä sähkömusiikkiin"-book. Many artists: DJ J.Mikkola, Yrjänä Sauros, E.Kurenniemi,J.Liimatainen,Nazal Snax etc.