The Lydian mission statement affirms, "we recognise that music is a gift and that the ability to perform it is a grace." It is for this God-given grace that this Christmas the Lydians say, 'DEO GRATIAS' (in Latin, "Thanks Be To God"). For our 40th anniversary Christmas concert, the Lydians are giving thanks to God for the music that has driven us onward, for the musical directors who have shaped and inspired us and for the goodwill, kindness and support…