Western European cultures may vary in their adherence to any form of Christianity, but the feast of Christmas has a special place in society in keeping an open ear, mind and heart. Concerts and carolling are common to Orthodox and non-Orthodox cultures alike, providing an annual opportunity to engage audiences in the Mystery of the Incarnation in a paraliturgical context. This paper will explore the benefits to singers and audiences, and the way that both may be nurtured through Christmas music. The Mosaic Choir, in London, UK, provides a central case study, a choir of Orthodox singers from many different backgrounds. Audiences, clergy and choir members, past and present, provide additional insights into one of the most rewarding musical times of year.