“A Little Lunch Music” is a series of 6 concerts in Sydney’s iconic Recital Hall, whose interior is modelled on Amsterdam’s Concertgebouw and which is acknowledged to have among the best acoustics in the world. Each concert, not surprisingly, is at lunchtime, 12:30 to 1:3o. Last Monday’s Schubert Cello Quintet was introduced by Kathy Selby,…