John and his band are returning to play their Greatest Hits Show at the Marquee on June 23, while Moore is back on July 6.
Legendary rock band ZZ Top play their first Marquee gig on June 27, while Costello and his band play their Marquee debut on June 26.
Tickets for Elvis Costello & The Imposters go on sale on Monday, December 17 at 9am, while tickets for Elton John, ZZ Top and Christy Moore go on sale this Friday, December 14 at 9am.
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