Just over a year ago to the day, Mac Miller blessed NPR’s Tiny Desk concert series with a magical Swimming medley. And now, Ty Dolla $ign is keeping the late rapper’s memory alive with a special performance of his own.Ty and company (which included Thundercat and Justus West [guitar], both of which performed alongside Mac last year) performing a rendition of Mac and Ty’s The Divine Feminine collaboration, “Cinderella.”