They were re-recorded and appeared on Sill's second album, Heart Food, in 1973.
Williams re-recorded "Classical Gas" as a solo guitar piece on his 1970 album Handmade.
The band re-recorded it on their 2003 album 'Riffs', the new version being very similar to the original but about 20 seconds longer.
The song "Waggy" was re-recorded two years later on their next album, Dude Ranch.
It was later re-recorded and released on Landreth's 2008 album From the Reach.
Asterisk indicates song was re-recorded and included on the band's following album: In Moderation.
It was re-recorded on the band's 1983 album Back to Mystery City.
The band completely re-recorded the song for inclusion on their next album, Smiley Smile.
Out of the five songs, four of them went on to be re-recorded and included on their first album.
The track was re-recorded and included on their second album, Evil Empire in 1996.