Rock veterans Led Zeppelin are rumoured to be lining up another gig.The band, who attracted a host of stars at their comeback show at the 02 Arena, are believed to be pondering a new date at Cardiff's Millennium Stadium.Welsh Rugby Union chief executive and close friend of the band, Roger Lewis, is apparently attempting to book them in for another performance.It has also been rumoured that the band may play a small number of shows together, including New York's Madison Square Garden and possibly Glastonbury Festival.Led Zeppelin fans have been clamouring for a full-scale tour since the band's triumphant comeback gig.While guitarist Jimmy Page has indicated his willingness to reform for a full-blown tour, singer Robert Plant has always been reluctant to commit.© Independent Television News Limited 2007. All rights reserved.