The final volume in the historically important collection of rare recordings with the Danish versatile conductor Launy Grøndahl features the opera The Black Spider, an unknown masterpiece by the Swiss conductor Heinrich Sutermeister. In addition to never-before-released broadcast recordings, this volume collects the very first 78RPM recordings made by Grøndahl with his Olympia Orchestra in 1923. All previous volumes, from Volume 1 to this final release, are available.