[2] Singing from an early age accompanied by her father Bill Diachun, a part-time singer and piano player, she began piano lessons at age 6[2] and played French horn and electric bass through junior and senior high school.

[2] At age 17 Diachun moved back to Montréal to attend McGill University where she was the first vocalist admitted to the school's Jazz Performance Program.

[2] After university, Diachun moved to New York City to study briefly with jazz vocalist Sheila Jordan[2][4] under a grant from the Canada Council for the Arts.

[5] In 1997, Diachun moved to Western Canada and began a long-term engagement at the Banff Springs Hotel where she met her future husband, guitarist, bassist, and mixing engineer Doug Stephenson.

[2] In 2012, Diachun began teaching at the Contemporary Music & Technology Program at Selkirk College in Nelson, British Columbia.