Over video chat, the Sandman treated the Tonight Show host and audience to a new song, title unknown, celebrating the brave healthcare workers in America and around the world on the frontlines of the fight against coronavirus — and the exasperated parents social distancing with their entire families.

"We gotta build some ventilators and get them more masks, we gotta do it now so let's all come together," he sings in his trademark sorta-Springsteen growl.

"I'm teaching math to my kids, and that can't be good for America."