From show tune to terrace chant to near-hymn to calling cry for a city, all in the space of a few months.

I didn't take the leader of the free world to be a show tune fan.

And although they had prepared a list of songs, there was no telling what other numbers the mischievous host - a show tune obsessive - might spring on him.

In accelerator physics, both the transverse and the longitudinal dynamics show tune shift with amplitude.

The occasional show tune and holiday song round out the mix.