Bandmate Chromatic Tuner funktioniert nicht

With Bandmate on their music stand, beginning music students are able to see exactly what written note they are singing or playing on their instrument.  Bandmate is the only chromatic tuner that displays the note you play on a music staff.  Designed by music educators, for music educators and students.  No more guessing, no more wondering if they are playing the right note.  For band, orchestra, guitar, and voice.  Free with no ads, so it is appropriate for classroom use! - See the real written notation for the note you sing or play. - Choose to show the flat or sharp version of enharmonic notes. - Pitches are transposed appropriately for the instrument you select.