Karin Plato grew up on the prairies in a small farming community called Alsask in the province of Saskatchewan. She studied the piano throughout her childhood. She later attended the University of Saskatchewan where she received her Bachelor of Music Degree in piano and voice. In 1985 she moved to Vancouver to study jazz and arranging at Capilano College. In 1996 and 1998 she studied vocal jazz at the Banff Centre For The Fine Arts with vocalists Sheila Jordan and Jay Clayton.
In the late 1990s Karin seriously began to pursue a career as a jazz vocalist and composer. She began to appear in Vancouver jazz clubs performing a repertoire of jazz standards and originals and started performing in jazz festivals and concerts in BC, Alberta and Saskatchewan.
Karin recorded her first album of jazz standards and originals in 1996 on a recording called Pastiche. In 1998 she recorded There's Beauty in the Rain for which she was nominated for a Juno award. (2000 Juno Awards) In the winter of 2000 Karin released two new recordings: Blue Again; a collection of duets; and Snowflake Season; a jazz/Christmas recording. In 2003 she released her fifth album The State of Bliss which features a guest appearance by Canadian vocalist Denzal Sinclaire on two duets.