432 Chamber Orchestra is a chamber string orchestra that plays exclusively in A = 432 Hz concert pitch. We are amongst the first professional ensembles in Europe and the World that change the concert pitch to A = 432 Hz. The ensemble consists of 14 members - 4 first violins, 3 second violins, 3 violas, 2 violoncellos, 1 double base and a conductor. We also invite different soloist that allows us to extend the repertoire of the orchestra. Our home town is Sofia, Bulgaria. We are looking for concert touring opportunities in Europe and Worldwide.