[2] She progressed rapidly and at age 10 she earned an ARCT certificate from The Royal Conservatory of Music.

[5] A chronic hand injury that began around this time curtailed her performing schedule.

As a musicologist, Keillor has published extensively, with particular attention to Canadian and First Nations music history.

She helped found the Canadian Musical Heritage Society with Helmut Kallmann, Clifford Ford and others, serving as its vice-chair from 1989 to 2000, and chair beginning in 2000.

She was a principal author of the Encyclopedia of Native American Music of North America, released in 2013.