Even though this San Francisco based neo-psych band garnered plaudits and acclaim, 28th Day would eventually become more well known for being the first band to call Barbara Manning a member. Manning, who would later find success as a member of the World of Pooh and S.F. Seals, as well as becoming a sort of indie/underground legend, played bass in 28th Day alongside Cole Marquis on vocals and guitar, and Mike Cloward on drums. Although Manning would grow into a force as a songwriter in subsequent projects, the majority of 28th Day's work was written by Marquis. Their debut EP, released on Enigma in 1985, would be the only studio work from the band, which was to split a short time later. That collection would be expanded in 1992, and then again in 2004, to much acclaim on each occasion. Manning would go on to many other projects, including the aforementioned World of Pooh, S.F. Seals, and the Go-Luckys!, while Marquis would go on to form the Downsiders.