The Circle of Fifths is that magical musical master tool.

adjacent keys (this includes black keys!) on piano, or seven frets up on the guitar, bass, and ukulele. Playing a fretless string instrument? Have no fear! The Circle of Fifths also applies to the violin and its immediate family of instruments. The fifth shows up frequently in basslines of Western music, with

  Keys, Fifth, Circle, Guitar, The circle of fifths is, The circle of fifths