Candlelight concert: ABBA vs Queen by string quartets (Boréale/Jupiter/Audélia). Duration: 60min. Doors 30min before; no late. Age 8+; under 16 adult. PMR access. Program selections: Dancing Queen/SOS/Money Money Money/Voulez Vous/Waterloo/Super Trouper/Mamma Mia (ABBA); Bohemian Rhapsody/I Want to Break Free/Killer Queen/Don't Stop Me Now/We Will Rock You/We Are the Champions (Queen).