Blood Ties Expands
https://www.thestar.com/entertainment/stage/2017/01/04/blood-ties-moving-from-small-screen-to-bigger-stage.html
The article does not note that Barbara Johnston and Anika Johnson were the backup singers in the OB episode 408 production of Superstar. The article claims "you can see Johnston as one of the chorus members" on Orphan Black's Blood Ties production but does not mention that Anika Johnson was the pianist.