Collins, who scored a hit with Stephen Sondheim's "Send in the Clowns," will spotlight the work of that Tony-winning composer-lyricist in the upcoming concert. No other details have been announced.
The folk singer, who has also written her 10th book, is recording a new CD that is tentatively titled "Duets with Guys." The disc will feature the talents of Jeff Bridges, Jimmy Buffett, Don McLean and Kris Kristofferson.
Collins' rendition of "Send in the Clowns" was named Song of the Year at the 1975 Grammy Awards.