This week In One-Off Collaborations 18/52

Muddy Waters & The Rolling Stones, Joan Baez & Judy Collins, Paloma Faith & Candi Staton, Luther Vandross & Boy George, Martina McBride & Bob Seger, Kris Kristofferson & Rita Coolidge, Linda Ronstadt & Aaron Neville, Tom Jones, Engelbert

This week In Singing Ladies 09/52

PJ Harvey, India Arie, Hannah Reid, Norah Jones, Rickie Lee Jones, Ann Wilson, Esperanza Spalding, Duffy, Martha Wainwright, St. Vincent, Laura Mvula, Lauren Mayberry