Greetings. I dunno if anyone else has tried this, but its a pretty cool thing you can do with any Musicman basses with the built in mutes. If you activate the mutes, and then just back them off a bit until they just barely catch the vibration of the strings you can achieve a slight growl similar to a fretless instrument. Might have to mess with them a bit to find the sweet spot, but once you're there it's pretty cool.. Works best with the tone controls fairly flat. 