Esa Onttonen Labra (in Finnish: Esa Onttosen Labra) is a band with a changing lineup that plays music that's a mix of improvisation and composition, using a live composition app developed by Esa Onttonen. In addition to Onttonen (electric guitar), the band has included Antti Kujanpää (organ), Mikael Myrskog (keyboards), Aki Rissanen (keyboards), Jarmo Saari (guitar), Joonas Riippa (drums), and Mika Kallio (drums).