Warning – music theory coming.
The Circle of Fifths shows the relationships among the twelve tones of the Chromatic Scale, their corresponding key signatures and the associated Major and Minor keys. In lay terms: The Circle of Fifths is a music theory diagram for finding the key of a song, transposing songs to different keys, composing new songs and understanding key signatures, scales, and modes.
That all sounds pretty hard but actually its not. The basic maths and patterns of music theory makes things a bit easier to grasp. So, for example, the key of D has 2 sharps and its “relative minor” is Bm. Throw that at your friends and see how impressed they are …
Read more: http://www.circleoffifths.com/#ixzz47VctxaW0