It is illegal for any beautician to hum, whistle, or sing while working on a customer.

It’s illegal to allow someone to use stilts while working on the construction of a building. (MGL Chapter 149 Section 129B)

On Mondays, it is illegal for one to whistle very loud after 11:00 PM.

It is illegal to sing in a public place while attired in a swimsuit.

It is illegal to sing in a public place while wearing a swimsuit.

You cannot use a whistle on a bicycle