Recording with 6 cellos, built by Ragnar Hayn, played by cellists of the Vienna Philharmonic Orchestrafor the 20th anniversary of Geigenbau Haynhttps://www.ragnarhayn.com/wordpress/wp-content/uploads/d9057a4b-c619-41da-9cef-8a4a5919a347-1.mp4 Posted on 5. July 2025