Carl Nielsen’s merry ‘Maskarade’ a rare, tasty treat as Vox 3 Collective stages Danish romp

Review: A delightful surprise awaits opera buffs in an ambitious, full-length staging of Carl Nielsen’s comic opera “Maskarade,” produced by Vox 3 Collective – in the original Danish, no less – at the Vittum Theater on Chicago’s northwest side. ★★★