Undo XAppend

Undo Amplifier

Redo

Undo Digital Effect

Undo Freq. Shifting

Undo AutoLoop

Undo XFade

Undo Fade Out

Undo Fade In

Undo Paste

Undo Cut

Undo Clear

Undo Move Loop

Undo Truncate

Undo Convert ALT->FWD

Undo MonoToStereo

Undo StereoToMono

Undo DC Suppression

Undo X-Fade Loop

Undo Replace

Undo Time Stretch

Undo Pitch Change 

Undo Resample

Undo Mix

Undo Invert

Undo Reverse

Undo Normalize

Can't Undo