I-V-vi-IV ("Axis of Awesome")

In the key of C major, the I-V-vi-IV chord progression would consist of the following chords:

I - C major (C-E-G) V - G major (G-B-D) vi - A minor (A-C-E) IV - F major (F-A-C)

So the chord progression would be C-G-Am-F. This progression is a very popular and widely used chord progression in modern music, and is often referred to as the "Axis of Awesome" progression because it can be used to play dozens of popular songs.

With your Woovebox' song key and scale in C major (which is the default) and the chord track's upper 8 keys in diatonic mode ("diat", also default). You can press the 5/ki key for C major 1/Cd for G major, 2/bs for A minor and 8/Pc for F major.