Scottish Opera's revival of The Marriage of Figaro works as the perfect gateway opera for those who are unsure if it's an art form for them. The storyline will be recognisable from books, film and TV in terms of style and structure - literally a comedy of errors, as individuals are manipulated, lies are told, identities are mistaken, and just when it looks like it's all going wrong, it resolves before the final curtain falls, with hopefully lessons learned. Set from dawn till