There is a free concert at St Patrick’s Cathedral, 43 Wyndham St, on May 23 at 7.30pm. It is called Back-toBack Bach and is a celebration of organ, vocal and instrumental music by J.S. Bach and his sons, J.C. Bach and C.P.E Bach. The concert features period instrumentalists Sally Tibbles (baroque flute), Kevin Kim (recorder), Imogen Morris (recorder), Margaret Cooke (baroque cello), James Tibbles (organ and harpsichord), and soprano Fiona Tibbles. See ageofdiscovery.co.nz for more information.