The Three Tenors - Ray O'Hare, Dominic McGorian and Derek Moloney - feature in a concert in the Cathedral on Friday 18 December at 20:00.
A night to remember is promised... the concert features many popular songs, including Panis angelicus, Ave Maria, I'll walk with God and Nessun dorma, as well as Christmas favourites O holy night, Silent night and When a child is born.
Appearing as special guests on the night are violinist Maria Mason and the choir of Scoil Íde, Salthill.
Tickets cost €25.00, and are available at the Cathedral Bookshop, at Zhivago in Shop Street, and at the door.
More information about the Three Tenors is available on their website.