Beginnings and Out of Myself Drummer
Piotr "Mitloff" Kozieradzki had played with the
death metal band
Hate between 1990 and 2001, while guitarist
Piotr Grudziński had been a member of Unnamed from 1993 until 2003. Together with keyboardist Jacek Melnicki and vocalist, bassist, and acoustic guitarist
Mariusz Duda, they formed Riverside in 2001. Melnicki left in 2003 and was replaced by
Michał Łapaj. The band's debut studio album, titled
Out of Myself, was released later that year in Poland, and it came out a year later in the United States, with artwork by
Travis Smith.
Voices in My Head and Second Life Syndrome Following their successful debut, Riverside issued the EP
Voices in My Head in 2005 and followed it with their second full-length album,
Second Life Syndrome, released under
Inside Out Music later that year. It reached number 62 on
Prog Archivess top 100 prog albums.
Rapid Eye Movement and Lunatic Soul In October 2007, Riverside issued the album
Rapid Eye Movement, once again under InsideOut. A year later, Duda launched his solo project,
Lunatic Soul.
Anno Domini High Definition and Memories in My Head The band's next album was
Anno Domini High Definition, released by
Mystic Production in 2009. It became the best-selling record in Poland during its second week on the charts, following a debut in sixth place. Riverside issued the EP
Memories in My Head in 2011.
Shrine of New Generation Slaves In 2013, the band published their fifth full-length album,
Shrine of New Generation Slaves.
Love, Fear and the Time Machine, Eye of the Soundscape, and death of Grudziński Their sixth album,
Love, Fear and the Time Machine, came out in 2015 and reached higher peak sales outside Poland than their previous records. On 21 February 2016, guitarist Piotr Grudziński died of sudden
cardiac arrest. Riverside subsequently announced the cancellation of scheduled tour dates. On 10 March, the band announced that a new album, a compilation of
ambient and instrumental pieces, was in progress. On 21 August, the record was announced to be titled
Eye of the Soundscape, and it came out on 21 October. On 23 September, Riverside announced that they would not immediately replace Grudziński and would instead continue as a trio. On 22 February 2017, Maciej Meller (
Quidam) was revealed to be the band's new touring guitarist..
Wasteland In September 2018, Riverside released their seventh album, and their first without Grudziński, titled
Wasteland. On 3 February 2020, they announced that Meller had joined the band in an official capacity and would be involved in the writing sessions for their eighth album.
ID.Entity, Live ID., Duda's departure In January 2023, Riverside issued
ID.Entity, which was followed by a live recording titled
Live ID., in 2025. In April 2026, vocalist, bassist, and main songwriter Mariusz Duda stated on social media that he would be leaving Riverside after 25 years, due to the band's internal dynamics. Following that statement, guitarist Maciej Meller also announced his departure, citing an inability to continue without Mariusz. ==Band members==