In some types a lithotrity machine can do wonders. Is basically being bombed with ultrasounds while taking a long bath, so could even be doable to DIY at home if you have some maker skills and for some reason can't go to a doctor.

The main concern should be to take serious care of not being electrocuted, put the speaker far and out of the water, protect your ears and assure that everything is well isolated. Using a 12 volt car battery as source of power could add a lot of safety.

Read a book for some time and then urinate into a piece of cloth in a strainer to see if it collects some sand. Rinse and repeat after some resting days for several weeks.

Or you can go to a discotheque