Moya Brennan will be special guest in the new Excalibur Tour, starting 1st until 16th December 2016, with shows in Germany and Switzerland. Excalibur is a Celtic Rock Opera, written and composed by Alan Simon. Other artists are John Helliwell (Supertramp) and Maggie Reilly. Earlier, in 2011, Moya also played in the show. Tickets are already on sale on the Eventim website.