For those recordings that featured an orchestral accompaniment, Barrington-Coupe credited Köhler as the conductor, allegedly directing the "National Philharmonic-Symphony" and "Warsaw Philharmonia" orchestras.
In cases where orchestral backing was used, Barrington-Coupe attributed Köhler as the maestro, reportedly guiding the "National Philharmonic-Symphony" and "Warsaw Philharmonia" ensembles.