First recorded by Ray Stevens (US #81/C&W #55 1969).
Other hit version by Johnny Cash (C&W #1 1970).
Also recorded by Kris Kristofferson (1970).
From the wiki: “‘Sunday Mornin’ Comin’ Down’ was written by Kris Kristofferson and was first recorded in 1969 by Ray Stevens, for his album Kristofferson, whose production reached #55 on the Billboard Hot Country Singles chart and #81 on the Billboard Hot 100 pop chart.
“The most successful version of the song originated from a Johnny Cash performance, taped live at the Grand Ole Opry’s Ryman Auditorium during a July 1970 recording his CBS TV variety show, The Johnny Cash Show, as part of a ‘Ride This Train’ segment, which was broadcast as the first episode of the Season Two. A companion album was then released by CBS Records in October 1970, with ‘Sunday Morning Coming Down’ issued as the promotional single. Both the album and the single topped the Country music charts, and won the Country Music Association Award for Song of the Year in 1970.