Irwin Silber, in "Notes from an Editor’s Diary", recalls he borrowed the name Sing Out! from the third verse of "The Hammer Song" written by Lee Hays and Pete Seeger, which incidentally was printed on the cover of issue number one. It seemed to the publishers an appropriate aim to "sing out danger ... sing out a warning ... sing out love between all my brothers (and my sisters) all over this land". "Sing Out, History"