Information for Christmas By Candlelight at Adelphi Theatre, West End (Concert). This incredible cast along with an epic live band perform your favourite Christmas Hits, in the West-End's most magical festive sing-along extravaganza! Featuring sing-along classics such as 'White Christmas', 'Let It Snow! Let It Snow! Let It Snow!', 'O Holy Night' and 'Winter Wonderland', this uplifting sing-along concert is the perfect way to celebrate a 'Holly Jolly Christmas' with all of the family!