Leo Cuypers, pianist and composer from southern Holland, is one of the great unsung heroes of Dutch creative music -- as a bandleader, solo pianist and member of the first incarnation of the Willem Breuker Kollektief. Heavy Days Are Here Again was a project that brought Bennink and Breuker (who made the first ICP record, New Acoustic Swing Duo together as a twosome back in the 60s) back together after a somewhat fractious split, and reunited Buypers with Breuker as well. Cuypers named the group …