Chisu

She released her second album Vapaa ja yksin in 2009. Her third album, Kun valaistun, was released in 2011 through Warner Music Finland. It was met with significant commercial success and became one of the best-selling albums of all time in Finland by a Finnish artist, selling approximately 95,000 copies. The album went on to win Best Album and Best Pop Album at the 2012 Emma-gaala, Finland’s most prestigious music awards ceremony. Another version of the album, Kun valaistun 2.0, was released in 2012. Her fourth album, Polaris, was released in 2015. Her fifth album, MOMENTUM 123, was released in 2019. In 2022, she announced an indefinite hiatus from music. During her career, Chisu has sold over 230,000 certified records, which places her among the top 80 best-selling artists in Finland. In November 2012, Chisu was connected to a copyright controversy in Finland when a nine-year-old girl's home was raided by the police and had her laptop confiscated due to allegedly downloading Chisu songs. The controversy was named Chisugate by media. It has been alleged that the files the little girl downloaded and later shared, were bogus files disguised as the Chisu album and therefore she did not share Chisu's music. In May 2025, Chisu's composition Ich Komme performed by Erika Vikman represented Finland in the Eurovision Song Contest 2025, where it finished 11th in the grand final with 196 points.

• Name — Christel Roosberg • Birth Name — Christel Martina Sundberg • Alias — Chisu • Born — 3 January 1982 • Birthplace — Helsinki, Finland • Genre — Pop • Label — HMC

Chisu married producer Jori Sjöroos on 28 September 2019. After the marriage, Chisu changed her last name to Roosberg, combining her husband's last name Sjöroos and her last name Sundberg.

• Title — Details — Peak position — Certification • FIN • Alkovi — *Release date: 27 February 2008 *Record label: HMC *Format: CD / Digital — 5 — Gold • Vapaa ja yksin — *Release date: 23 September 2009 *Record label: HMC / WEA *Format: CD / Digital / Vinyl — 1 — Double platinum • Kun valaistun — *Release date: 5 October 2011 *Record label: HMC / WEA *Format: CD / Digital — 1 — Multiple platinum • Kun valaistun 2.0 — *Release date: 6 June 2012 *Record label: HMC / WEA *Format: CD-DVD-Blu-ray / Digital / Vinyl — 2 • Polaris — *Release date: 2 October 2015 *Record label: HMC / WEA *Format: CD / Digital / Vinyl — 2 • Momentum 123 — *Release date: 24 May 2019 *Record label: Warner Music Finland *Format: CD / Digital / Vinyl — 34

• Post Momentum (2019)

• Title — Year — Peak position — Certification — Album • FIN • "Mun koti ei oo täällä" — 2007 — 1 — Gold — Alkovi • "Muut" — 2008 — — • "Tämä rakkaus" — — • "Baden-Baden" — 2009 — 3 — Platinum — Vapaa ja yksin • "Kerrasta poikki" — 12 • "Sama nainen" — 5 — Gold • "Miehistä viis" — 2010 — — • "Saaliit" — — • "Sabotage" — 2011 — 1 — Kun valaistun • "Kohtalon oma" — 1 • "Tie" — 2012 — 9 • "Kolmas pyörä" — — • "Frankenstein" — 2012 — — • "Ihana" — 2015 — — — Polaris • "Tuu mua vastaan" — — • "Tähdet" — 2016 — — • "Polte" — 2 • "Älä herätä mua unesta" — 18 • "Ei riidellä enää" — 2017 — — • "I Walk the Line" — 2018 — — • "Momentum" — 2019 — — — Momentum 123 • "Artisti / Narsisti" — — • "Viimeiset tekstarit" — — • "Ikävä" — — — Post Momentum • "Mysteeri" — 2021 — 19 • "Mun kulta" — 2022 — —

Chisu was recorded at birth as Christel Martina Sundberg. The authorities additionally record the heading Christel Martina Sundberg. Her recorded language was Finnish. She was the child of Gary Sundberg. She married Jori Sjöroos.