Question: Kris Kristofferson, whose songs had been featured on Joan Baez' 1973 compilation "Hits: Greatest and Others," has also been in what music supergroup was with artists Waylon Jennings, Willie Nelson, and Johnny Cash? 
Sentence (from "Hits: Greatest and Others"): In addition to her hit cover of The Band's "The Night They Drove Old Dixie Down", songs by the Beatles and Kris Kristofferson were also included.
Relevant evidence: Yes