10 Disgusting Things Irish Traditional Flute Players Do
Funny, but gross!

Chiff and Fipple
Very comprehensive site with chat, whistle guides, instruction information, and more.

Irish Pipe Band Association
Member bands, information, events.

Irish Tin Whistle Page
Artists, information, sheet music, and more!

Sessioneer
Huge archive of sheet music, as well as information about tunings, how and where to buy, and techniques.

Whistling Low
A guide to the instrument.