Andrea Löhndorf


Working in Hamburg as graphic designer and musician. Joined BAD SISTER in summer 2015. A well experienced lead singer with a wonderful warm and flexible voice.

Sven Lange


Born 1961 near Hamburg, established BAD SISTER in 1980 with drummer Kai-Ove. An excellent guitarist with a brilliant live-performance. Loves his "Telecaster“ and, of course, his „Stratocaster“.

Jörn Saul


Born 1962 near Hamburg. Instrument: bass. Excellent musician with great experience. Plays the bass-guitar for more than 20 years in several bands. On stage and in studio he sings backing vocals.

Andreas Läu


Youngster of the band. Instrument: keyboards. Over the years he had played with a lot of rock- and popbands. Works as an keyboard specialist in Hamburg. Joined BAD SISTER in 2010.

Kai-Ove Kessler


Born 1962 near Hamburg, grew up with glamrock and the melodicrock of the 80‘s. Instrument: drums. Writing some songs for BAD SISTER, an experienced AOR and hard rock live-drummer.

  • 1980

    The Band is formed in the near of Hamburg under the name BOGART JOINT. First lead singer: Petra Degelow.
  • 1981 - 1987

    Hundreds of gigs - in small clubs and large arenas - are following. BOGART JOINT is playing the legendary ONKEL PÖ‘S CARNEGIE HALL in Hamburg for several times.
  • 1988

    The band changes the name to BAD SISTER - and the musical style: Melodic hardrock, Blues and AOR.
  • 1989

    Release of first BAD SISTER-CD „Heartbreaker“ in Europe, USA and Japan. First single hit „Catriona“.
  • 1990

    „Heartbreaker“-Tour 1990 and Rock-Festivals. Yamaha live for Tokyo. Support act for Ian Gillan (Deep Purple).
  • 1991

    Release of the 2nd BAD SISTER-CD „Out Of The Business“. Special guest: Alex Conti (Lake, Atlantis). „Out Of The Business“-Tour 1991/92. Support act for Mitch Ryder. Several gigs at Wacken Open Air between 1990 and 1995.
  • 1992

    Petra leaves BAD SISTER, Suzie Lohmar joins the band.
  • 2002

    Release of 3rd CD BAD SISTER „Live“.
  • 2009

    Release of 4th BAD SISTER-CD „Because Rust Never Sleeps“.
  • 2013

    Former singer Petra Degelow died at the age of 53.
  • 2014

    Singer Suzie Lohmar leaves the band, Sandra Hofmann is following in April.
  • 2015

    Singer Sandra Hofmann leaves the band for Canada, Andrea Löhndorf is joining.
  • 2016

    BAD SISTER is working on a new album with singer Andrea Löhndorf.
  • 2017

    Band is playing live gigs - electric and unplugged. First rehearsals for new studio album in Hamburg based record studio.
  • 2022

    After COVID-19 break: Work on new album is going on.
BAD SISTER | E-Mail | Phone +49 151 4122 1779 | Datenschutz | Impressum | ©