According to some legends, the tune was possibly composed by Rory Dall o 'cahan in the 1600's.

传说，其旋律可能是罗里·戴尔·欧卡汉创作于16世纪的。

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In our campus, a gentle hearty senior man is always seen. He is the one I am going to talk about, Mr. Cahan, our foreign teacher from the USA.

在美丽的世纪园里，人们经常会看到一位精神矍铄、风度翩翩的外国老人。他就是来自美国的外教——可汗老师。

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Cahan, now vice president of products at Yahoo, discussed how television is changing with devices, apps and social.

FORBES: IntoNow's Adam Cahan On The Rise Of The Second Screen

Cahan asks for Summly users to "stay tuned" as the app gets ready to reappear as part of Yahoo!'

CNN: Yahoo! to buy teenager's brain child

The growth of tablets such as the iPad and Android devices has changed the way people watch television, Cahan says.

FORBES: IntoNow's Adam Cahan On The Rise Of The Second Screen