Field Guide (band): https://fieldguidetothe214.bandcamp.com Field Guide is made up of five people. Field Guide is Dallas. Field Guide is for the children. Field Guide (Bird Songs): http://www.amazon.co.uk/Field-Guide-Britain-Northern-Europe/dp/1844420426 Field Guide to the Bird Songs and Calls of Britain and Northern Europe (Book & CD) (Hardcover) It has always been notoriously difficult to identify birds by their call or song and complicated and baffling sonograms don't give much help.