Conversation so far:
How did the Horslips return?
In March 2004, three Horslips enthusiasts, Jim Nelis, Stephen Ferris and Paul Callaghan, put on an exhibition of Horslips memorabilia in The Orchard Gallery in Derry.
Did Horslips release any albums after the return in 2004?
Horslips returned to the studio in Westmeath to produce a studio album.

Question: What album did they release?
Self-contained rewrite: What album did the Horslips release in 2004?