Absolutely, try Pandora. It does Amazon one better as long as you have the time to listen.
From the list you've shared, here are a few artists/albums that come to mind that you may also enjoy:
Damien Rice, "O"
Tori Amos, Too many selections to pick just one, but try "Little Earthquakes"
Ray La Mantagne, "Trouble"
Jack Johnson, "Brushfire Fairytales"
Annie Lennox, "Diva"
Ben Harper, "Fight for your Mind"
Lorenna McKennit, "The Visit"
Emmylou Harris, "Wrecking Ball"
Marco
From the list you've shared, here are a few artists/albums that come to mind that you may also enjoy:
Damien Rice, "O"
Tori Amos, Too many selections to pick just one, but try "Little Earthquakes"
Ray La Mantagne, "Trouble"
Jack Johnson, "Brushfire Fairytales"
Annie Lennox, "Diva"
Ben Harper, "Fight for your Mind"
Lorenna McKennit, "The Visit"
Emmylou Harris, "Wrecking Ball"
Marco