In Greek music, the element of harmony was added to an essentially modal system so that a solo instrument (typically clarinet or violin) plays the highly ornamented melody and another instrument (a guitar, or laouto) plays the chordal background and maintains the reiterated rhythmic pattern.
Include an element of water.
Managing to get them all into the library, Twilight and Spike locate the book about the Elements of Harmony, and after a brief scuffle with the other ponies over the book, are surprised and delighted to find the book actually contains the Elements.
The fourth season has a loose story arc in which Twilight Sparkle accepts the challenge of finding the keys to a mysterious box revealed after the six relinquish the Elements of Harmony to their original source, the Tree of Harmony, to save Equestria.
Each represents a different face of friendship, and Twilight discovers herself to be a key part of the magical artifacts known as the "Elements of Harmony".
He worked out for himself the elements of harmony and by his 12th year was composing for local chamber-music groups.
Celestia implores Twilight and her friends to recover the Elements of Harmony to stop Chrysalis.
The character was openly named Doctor Hooves in The Elements of Harmony: The Official Guidebook, published by Little, Brown and Company.
On arrival, Celestia takes them to a grand hall with stained-glass windows, including one heralding the ponies' defeat of Nightmare Moon, and to the vault where the Elements of Harmony are kept.
In a flash of inspiration, Twilight realizes that each of her new friends represents one of the Elements of Harmony, and that she herself is the final piece, Magic.
