Moeck Rottenberg Alto Maple Stained Recorder4301 Rottenburgh Register: Alto Material: Maple stained Fingering: Baroque fingering Holes Keys: Double holes Pitch: 442 Hz The Rottenburgh alto recorder made of stained maple wood for recorder players who want to make music with their instrument at an advanced level. Built in three parts with a turnable foot joint. Baroque fingering with double holes. Over the decades, the concept, which was originally developed by recorder maker Friedrich von Huene,