Stave'n'Tabs macOS 3.0.1: Same app - same user experience for both macOS & iOS

What's New in Version 3.0.1:

• Forward button on the right panel like in the version for iOS
• MIDI files support improvements
• Support for volume levels in MIDI files
• Bug fixes

Stave'n'Tabs macOS 3.0: Percussions input, Piano Roll and Drums Editor

What's New in Version 3.0:

• Piano Roll
• Percussions Panel
• Drums Editor
• GP files import fix
• Interface improvements
• Bug fixes

Frequencies in Hertz of the notes in the One-Line octave