1981 Women's Jazz Festival, Kansas City,USA (Salamander)
1981 North Sea Jazz Festival, Den Haag, Holland (Salamander)
1981 Extra concert, North Sea Jazz Festival, Den Haag, Holland (Salamander)
1981 Jazzfest Berlin, Germany (Salamander)
1982 North Sea Jazz Festival, Den Haag, Holland (Salamander)
1982 Vossa Jazz, Norway (Salamander)
1983 Kölner Jazzhaus Festival, Germany (Salamander)
1983 Jazz Festival Balver Höhle, Germany (Salamander)
1984 Jazzbuhne Berlin, DDR (Salamander)
1990 Lysekils Jazz Festival, Sweden (Salamander)
1991 Jazz & Blues Festival, Haparanda, Sweden (Salamander)
1993 Jazz Festival Åbo, Finland (Satin Dolls)
1994 Jazz Festival Copenhagen, Denmark (April Light Orchestra)
1995 NGO Forum, Beijing, China (April Light Orchestra)
1995 Jazz at Nyköpingshus, Sweden (Nisse Sandström)
1996 Sandviken Big Band Bang, Sweden (Cecilia W Big Band)
1996 Kallio-Kuninkala Festival, Järvenpää, Finland (SNOW)
1997 Umeå Folk Music Festival, Sweden (SNOW)
1998 Kristianstad/Åhus Int. Jazz Festival (Nisse Sandström)
1998 Festival OFF, Jazz in Marciac, France (Cecilia W Quartet)
1998 Östersunds Jazzdagar, Sweden (Cecilia W Quartet)
1999 Huddinge Jazzdagar, Sweden (Nisse Sandström)
1999 Poetry Fest 99, Aberystwyth, Wales (SNOW)
2000 Vårflod, Stockholm (SNOW, Duo Wela)
2000 Ääniä Festival, Helsingfors, Finland (SNOW)
2001 Uppsala Winter Swing (Cecilia W Quartet with Ellekari Larsson)
2001 Jazz al Filarmonico, Verona, Italy (Cecilia W Quartet)
2002 Egilsstadir Jazz Festival, Iceland (Cecilia Wennerström, Edvard Nyholm Debess, Kjartan Valdimarsson, Matthías M.D. Hemstock)
2002 Världens Minsta Jazz Festival, Enskede, Sweden (Duo Wela)
2003 Uppsala Winter Swing (Satin Dolls)
2003 Folklore Festival Krefeld, Germany (Urban Turban)
2004 Lussejazzen, Örnsköldsvik (Gugge Hedrenius)
2005 Stockholm Jazz Festival 2005 (Gugge Hedrenius)
2006 Sweden Upgrade, Kazan, Russia (Duo Wela)
2006 Jazz under blodboken, Nynäshamn (Ellman Larsson Constellation)
2006 Kristianstad Jazzfestival (Gugge Hedrenius)
2009 Perfect Harmony (Cecilia Wennerström Ann Blom Duo)
2010 Musik vid Tåsjö stränder, Strömsund (Ellman Larsson Constellation)
2011 Time for Musicals, Konserthuset, Stockholm (Blue House Jazz Orchestra)
2011 Lars Färnlöf-festival "I Lasses kvarter", Apalby Gård, Västerås (Ellman Larsson Constellation)
2013 Stockholm Jazz Festival: Plugged Records, Stockholm (Cecilia Wennerström New Quartet)
2013 Stockholm Jazz Festival: Tellus Bio, Stockholm (Oktetten LARS 8)
2014 Donne in Jazz, Frascati, Rom, Italy (Cecilia Wennerström New Quartet)
2015 Ljusstråk, Nora (Duo Wela)
2017 Lars Färnlöf-festival "I Lasses kvarter", Apalby Gård, Västerås (Oktetten LARS 8)
2019 Stockholm Jazz Festival: Jazzklubb Hjorthagen (Oktetten LARS 8)