I’ve found myself drawn to several musical performances online this week during our troubled times. Most are covers — where musicians perform works by other musicians — and while the date of the originals range across centuries, most of the versions that have touched me were recently recorded. While some are instrumentals, knowing the lyrics to the songs has given me a context to hear the music in new ways. I want to share with you a few of my favorites from this music for troubled times. “We’re not doing my original songs,” Rhiannon Giddens says in her recent NPR Tiny Desk (Home) Concert, before she and her partner, Francesco Turrisi, launch into an old spiritual, “’cause with these kinds of emotions, the old songs say it best.” The set list for the 20 minute mini-concert, filmed at Turrisi’s home in Ireland in late May, goes back to “the origins” as Giddens says, and includes Black As Crow, Spiritual, and the tune set Carolina Gals / Last Chance. While all are wonderful, the haunting vocals and …