City Hall, Cardiff is set to be haunted by a trio of phantoms in a new musical celebration featuring two former Phantoms Nic Greenshields and Jeremy Secomb and Kieran Brown currently appearing in Phantom of The Opera. The 3 Phantoms will take to the stage at The City Hall in Cardiff, on Sunday 17th May at 7pm All of the artists have starred as The Phantom in the West End and are coming together for a great night of showstoppers…