The Toolbar is located at the top of the Score Editor window and provides tools to zoom score, control playback and switch between different input types.
The Zoom pop-up menu allows you to choose the magnification percentage for your score
The Edit button lets you start modifying files opened for preview and select a file format for editing
Playback controls: Jump to start, Play/Pause, and Jump to end
Playback Options buttons: Loop, Counting, and Metronome
Input type buttons: Standard, Staff Positions, Tablature, and Lyrics