A very in-depth analysis of Jacob Collier's very intricate and star-studded arrangement of Moon River.

Elgar's Variations on an Original Theme have become known as the Engima Variations because he wrote the word Enigma at the top of his score. The meaning of Enigma in this context has puzzled music lovers for over a century. Has its secret finally been uncovered?

The multi-instrumentalist Jacob Collier explains the concept of harmony in different levels of complexity. Starting with a child, all the way up to a musical conversation with jazz legend Herbie Hancock.

A fascinating insight on how and why music is so frequently categorised into boxes, also known as genres.

John Coltrane's Giant Steps has a repuation for being harmonically tricky to navigate. This video concisely explains why it's complicated and why the chord changes audibly left the pianist Tommy Flanagan a little lost.