As an organ expert, Planyavsky was instrumental in organ-building projects, notably the construction of the new Rieger organ in the Great Hall of the Wiener Musikverein, which he planned in collaboration with Ludger Lohmann, Martin Haselböck, Gillian Weir, and Olivier Latry.
George Lohmann | Ludger Lohmann | Ludger | Theodor Lohmann | St. Ludger's Abbey | Ludger Fischer | Ludger Beerbaum |