Gary Barlow to Appear on Arvia & Iona Gary Barlow will be back on Iona and also on Arvia in 2023 for special concerts. Read More P&O Cruises, Arvia, Cruise News, Iona, Press ReleasesKathy TaylorJanuary 24, 2023p&o cruises arvia, p&o iona, entertainment on iona, entertainment on arvia, gary barlow on p&o, where is gary barlow performing, gary barlow concert, iona cruise ship, arvia cruise shipComment