Graham Nash wrote this heartbreaker on June 7, 1970, just hours before his show with Crosby, Stills, Nash & Young at the Fillmore East in New York City, where he performed it for the first time. The day before, he broke up with Joni Mitchell, whose life together he sang about in the 1970 CSN&Y track "Our House." It was devastating for Nash. "My whole world fell apart," he said.

https://youtu.be/tdshD4107UQ