Playing rock with a piezo bass guitar

I have several beautiful short scale basses all of which have piezo pickups as I play primarily acoustic music. I have expanded my playing to pop and rock and wonder if there is a way to get different sounds from my piezo pickup basses. As you can see in my signature, I have two inexpensive mag basses but I am comfortable with my acoustic/electrics (which are also much better basses) and would rather not grow the herd if possible. Any suggestions would be greatly appreciated.
 
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