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Welcome to the Signature Series.

The key signatures of music are kind of like the signs of the zodiac.

If you take all the music in a given key, you’ll discover certain characteristics —﻿ characteristics that can define your personality.

Which key are you? http://bit.ly/whichkeyareyou

The Signature Series was originally produced for CBC Radio 2's In Concert by http://www.soundcloud.com/paolopp with Denise Ball.

The award winning Science Weekly is the best place to learn about the big discoveries and debates in biology, chemistry, physics, and sometimes even maths. From the Guardian science desk  Ian Sample, Hannah Devlin &  Nicola Davis meet the great thinkers and doers in science and technology. Science has never sounded so good! We'd love to hear what you think, so get in touch via @guardianaudio or podcasts@theguardian.com

Innovation Hub looks at how to reinvent our world – from medicine to education, relationships to time management. Great thinkers and great ideas, designed to make your life better.

Mature Americana with hummable songs, opening-credits-of-major-US-drama, lyrical, heartfelt, Kurt Vile, WOD, Sturgill Simpson, Dylan, Neil Young and Sweetheart of the Rodeo type territory.

WILLIAM TOOTH is following