Added fingerings for F tuba. Fixed problem with menu on iPhone 16.

Rewrite of most of the code, simplifying (fewer bugs). Many fixes to ranges, some fixes to pitches. New low notes for tuba. Several miscellaneous bug fixes.

Added Alto Trombone. Fixed ranges for several instruments in scales and exercises.

Fixed bug of notes too low for E-flat tuba and French Horn in some exercises and scales.

Several minor bug fixes. Security update.

Fixed rare freeze caused by timing variations.

Fix occasional bug in error counting.

Fix very rare freeze on a note out of range. The note only happens in a unique combination of range, instrument, and key.

Fix rare freeze or partial freeze on startup.

Improved menu response and accuracy. Improved layout support for newer devices. Improved performance for newer devices.

Fixed the problem with notes in chromatic sometimes on the wrong line or space.

Improved reliability of some of the navigation buttons. New, detailed, illustrated help pages.

Fixed occasional incorrect note name in random chromatic. Improved screen layout for wider screens. Fixed problem with Trumpet defaulting to E-flat.

Restore sound for free play option.

Catch when all notes in current range are 'learned' and reset learned notes.

Added competence tracking option: when turned on in random note mode, app will skip notes after player gets them correct 3 times. Corrected fingerings for chromatic treble clef.

Added 'continuous touch' option for scales and exercises to provide more natural play. Re-recorded all low brass notes to improve pitch and tone quality. Added trombone and bass trombone with F and G-flat triggers. Added user setting for length of note (up to 1.5secs).

Fixed a few small bugs in chromatic free play, including the 'F' for 'E' and other misalignment issues. A few very minor improvements in UI.

Trombone added. But note this is not a synthesizer, no sustained notes or glissandi. Sounds are still those of the euphonium for now.

Fixed disappearing staff in scales and exercises

Added double horn French horn. Reversed keys for French horn, as it is played with the left hand. Removed most of the alternate fingerings for French horn.

Per user request, free play added. It is odd because the app has to guess pitch, and there are no sustained notes, but it is available.

Added chromatic random notes and scales.

French Horn added.

Per user request, new option for a bar for 'OPEN'.