The output can be routed to any other instrument in the host application. Scale player acts as an VST instrument plug-in that takes the input MIDI data and swaps it with the processed one. It's ideal for live playing and with some practice you can play complicated licks and phrases that would impress everyone. Scale player is a new kind of instrument that like any other instrument may take a bit of time to learn and master, but it will be a rewarding experience.
The result is an unusual way of playing instruments, which can be fun, inspirational and much easier to play since you don't have to worry about hitting the wrong note, memorizing all the scales in all the keys and practicing complex riffs and phrases that can be a challenge to play the usual way. The plug-in calculates the intervals between pitches based on the selected scale and the user can move up and down the scale playing melodies, arpeggios or even chords using a few keys. Scale Player is a MIDI effect plug-in that allows you to play different scales in any key and mode using the idea of relative notes rather that static note values.