Example image of eyePlorer eyePlorer map for 'Perfect fifth': Interval (music) Semitone Harmonic series (music) Consonance and dissonance Octave Perfect fourth Augmented fifth Tritone Minor sixth Inversion (music) Equal temperament Unison Extended chord Major chord Minor chord Root (chord) Gregorian chant Solfège Twinkle Twinkle Little Star 2001: A Space Odyssey Also sprach Zarathustra (Richard Strauss) Harold Arlen Richard Strauss Stanley Kubrick The Wizard of Oz (1939 film) Wicked Witch of the West Musical keyboard Cent (music) Violin Just intonation Johannes Kepler Hermann von Helmholtz Piano Triad (music) Overtone Seventh chord Major seventh chord Paul Hindemith Horn (instrument) Igor Stravinsky Piccolo trumpet The Rite of Spring Trumpet Anton Bruckner Kyrie Requiem (Mozart) Symphony No. 9 (Bruckner) Wolfgang Amadeus Mozart Rock music Sacred Harp