Shortly after our company had moved into a new building, our manager asked us to conduct a phone test. It unfolded like this:
Manager: I'd like to make sure that the on-hold message plays when everyone's on the phone. So, if everyone would pick up a phone, I'll try calling in.
(After a long period of silence:)
Co-worker: We could use some on-hold music. (singing:) "Do you know the way to San Jose...?"