Effective period / Period of releases: 1996 - 2000

Members: Jukka Tiirikainen, Juha Kortehisto, Anssi Sopanen, Tomi Vartiainen, Simo Salminen, Matti Suomela, Nina Tapio, Mika Karhunen, Simo Saastamoinen, Sami Pitkämö, Manna Borg, Jussi Kivimäki, Sami Hintsanen, Antti Lipponen, Lassi Ikäheimo, Manne Laukkanen, Roope Löflund, Antti Ikola, Antti Paavilainen, Jesse Vierelä, Timo Kärkkäinen, Sussu Ketola, William Suvanne, Janne Halonen, Mikael Saari, Erika Vikman, Iina Salin, Jussi Koskinen, Mikko Haanpää, Jesse Lindblom, Risto Permikangas, Martti Häyrinen, Timo Rantanen, Raimo Ailio, Ville Paappanen

Finnish band best known for playing pop, rock and soul covers. The band was founded in 1991 as the house band for the Finnish music university Sibelius Academy's club (the band's name derives from a Finnish composer Jean Sibelius, after which the university is named). The band gained success as an entertaining act playing up to 200 gigs a year during its most active period in the 1990s and 2000s. Jean S was also a house band for a Finnish theater Uusi Iloinen Teatteri (UIT), a role which the band had from 2008 until 2022.

Founding members, main vocalists and frontmen Timo Kärkkäinen and Antti Paavilainen left the band in 2017 and 2018, respectively.