Josh Groban hosted a Billboard Live At-Home performance on Friday (March 20) to raise money for Meals on Wheels America, a nonprofit that provides nutrition and helps to eliminate isolation to the elderly.Set up on his home piano, the crooner delivered a number of heartwarming tunes that represent "a really nice sentiment for what everyone is going through right now," including "February Song," Great Lake Swimmer's "Changing Colours" and the classic "Bridge Over Troubled Water," which he dedicated to medical professionals and people who are working in the midst of the coronavirus crisis."This is a song that is so needed in times of trouble, divisiveness, fear and anxiety," he explained. "I do believe that we can do this together."But the.