In the 1950s, classical record producers were fixated on realism, aspiring to put listeners in the ‘best seat of an acoustically perfect hall.’ Not so for John Culshaw, however, a maverick producer who used new stereophonic technology to produce operas that were more dramatic, more spatially immersive and (so he claimed) more faithful to a composer’s intentions. Sonic highlights from Culshaw’s producing career accompany a reading from his two memoirs, ‘Ring Resounding’ and ‘Putting the Record Straight.’