I don't think of you as a Prog Rock guy, so Annie Haslam and Renaissance might not be for you From her solo career. Overall, she gets her fame for her vocals rather than albums with hits. So i won't recommend an album.
Rashmon covered Natalie Merchant, so that helps on my To Do List. I still have the Country Vocalists to do, but i will work on that another time. Melissa Etheridge Your Little Secret Yes I Am Melissa Etheridge