There is already a Solo button in the VSTi window header. Please also add the Mute button, which would do a lot for those who need to momentarily mute a VSTi, without having to go to track view and search for the right track, among maybe many many tracks, to find the right track to mute. Thank you! Example (I added a mute button in Photoshop, just to see what it could look like):
    • Great Idea