Irish Baroque Orchestra and Choir/Whelan (Linn) Conductor Peter Whelan leads a finely judged and agile period-instrument performance with only 13 singers. Every year, the Irish Baroque Orchestra and their conductor Peter Whelan bring Messiah back to Dublin, the city of its 1742 premiere. Their recording of Handel’s oratorio – the first on period instruments by an Irish ensemble – attempts to recreate the version heard at its first performance at the Fishamble Street music hall, a hot-ticket event at which such a crush was anticipated that the ladies in the audience were requested to forgo hoops in their skirts and the gentlemen to leave their swords at home.One of the attractions was the scandal-hit contralto and actor Susannah Cibber, who sang several arias including some more often sung today by other voice types: on the recording, gratifyingly, we get to hear a substantial share for Helen Charlston, her voice firm, slightly metallic and unflaggingly expressive. Also included is a le...