The Art of Playing the Recorder Volume 2: Breathing and Sound. By Gudrun Heyens. (Recorder). Schott. Book only. Size 9x12 inches. 48 pages. Published by Schott.
The Art of Playing the Recorder Volume 1: Finger and Tongue Technique. By Gudrun Heyens. (Recorder). Schott. Book only. Size 9x12 inches. 80 pages. Published by Schott.