In fact two separate orchestral concerts were rolled into one. The second was fun: an ensemble of Chetham’s tutors and ex-pupils — all now top-rank professionals — exuberantly delivering Ginastera’s virtuosic Variaciones Concertantes under Mark Elder’s direction, and Beethoven’s Piano Concerto No 2 with the solo part played by another former pupil, Paul Lewis.

It was the first half, however, that showed what this institution achieves, because it was performed by present-day pupils under their director of music, Stephen Threlfall. Whether in Walton’s Henry V music (Shakespeare’s majestic cadences rolled out by Samuel West in full Agincourt mode) or Brahms’s Alto Rhapsody (showcasing the mezzo Kitty Whately, another Chetham’s alumna) the finesse of the playing was astonishing. This is “just a school orchestra”? Close your eyes and you couldn’t believe it.”

And there’s lots more to enjoy in the opening season including an invitation to join Paul McCreesh, Artistic Director of Gabrieli, in a massed rehearsal of choruses from Haydn’s Creation on Tuesday, 4 July at 7.30pm.

Or you can enjoy a Celebration of Richard Rodgers with Chetham’s Concert Orchestra on Thursday, 6 July at 7.30pm.