The band were known for creating moving songs about unusual topics.

The college has sponsored panels on unusual topics such as face transplants (2009).

Because of her unusual topic, Ms. Cross has spent more time on the lecture circuit than at bookstore signings - and happily so, she says.

The subject matter covers unusual topics and is full of personal stories related to callers.

It seems an unusual topic for you.

Divorce seems an unusual topic for economists, but decisions to end a marriage weigh costs and benefits and thus reflect economic reasoning.

Replies: Mareana, This is an unusual but interesting topic for a chemistry class.

Now John Major is set to take on a slightly more unusual topic: British music hall culture.

'And how-how did you come to be interested in this unusual topic?'

"Well, that's an unusual topic, and if you've also gotten out a work on the Carpathians, you must be deeply interested in your subject."