Cold War Kids frontman Nathan Willett took over Billboard's Facebook page Tuesday (March 31) to raise money for My Friend's Place with a Billboard Live At-Home concert.Streaming live from his home studio in Los Angeles, Willett kicked off his solo set with the band's 2017 single "Can We Hang On?" before segueing into "So Tied Up" from the same album, L.A. Divine."Yeah, we're off the cuff this morning, you guys.