Founded in 2007 by Frank PeterZimmermann, the admired stringtrio – also comprised of violaplayer Antoine Tamestit and cellistChristian Poltéra – comes togetherto perform Schoenberg’s Op. 45,written to reflect his physical andpsychological suffering followinga heart attack. The ensemblecrowns the concert with Bach’siconic Goldberg Variations, probablythe most important take on themusical form.