What is "roll back"

vb. 1 (context transitive English) To return to a prior state. 2 (context transitive English) To postpone. 3 (context intransitive English) To retreat.

Roll Back is an album by Irish rock band Horslips, their first since Short Stories/Tall Tales 25 years earlier. It is a collection of acoustic re-workings of various songs from the band's catalogue.