A risky strategy may or may not pay off, but a dash of ABBA, some lusty vocals and a strong cast keep the joy afloat in Fremantle Theatre Company’s production of Twelfth Night, writes Jan Hallam.

A risky strategy may or may not pay off, but a dash of ABBA, some lusty vocals and a strong cast keep the joy afloat in Fremantle Theatre Company’s production of Twelfth Night, writes Jan Hallam.