We enjoyed some brilliant bands at the Wales Millennium Centre's Dathlu Calan Mai (Celebrating the First of May) festival in Cardiff Bay. The Cardiff-based duo, Blanche Rowen and Mike Gulston, have a new CD, The Dance Goes On, in which they sing the Welsh May carol, Mwynen Mai. They write: "The custom of going Maying included leaving hawthorn blossom at your beloved's door on May Day morning (assuming you hadn't been out in the woods with her all night.)