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

Stave'n'Tabs 3.4.3: Shared clipboard

What's New in Version 3.4.3:

• Shared clipboard
• Export directly from Editor View
• MusicXML export fix
• Bug fixes