There’s certain parallels between her and Flack, and Roberta was one of her favorite artists of all times. My Mom was a HS music teacher, and used Flack’s recordings as educational tools in her classroom. She actually wore out 5 LPs of First Take in the process. Which, in turn, became one of my Mom’s most sought after CDs, along with Jimmy Smith’s Peter and The Wolf.*
* each of which took YEARS to get released in that format.