I need freinds people that like art like me and can draw

In the exercise for the week, read the sentence carefully concentrating on the word noxious. using other words or phrases in the sentence to compose a student friendly definition.

The following terms are all associated with harmony except: triad: the simplest chord..it is made up of three notes that are usually spaced one note apart-do, mi, and sol in the do-re-mi (major) scale. consonance: a combination of notes that is considered stable and without tension. phrases: where melodies are often made up of shorter sections. chords: the smallest harmonic unit is one consisting of two notes, but we usually have three or more notes played or sung together to create harmony. those groups of notes make up what are called chords. dissonance: a combination of notes that is considered unstable and tense, so much that they sometimes sound as if they are fighting with one another.

Who were the three patrons of the arts mention in this section of the lesson?