[gregorian chanting] simpler music, gregorian chant for instance the intervals are small.es adjacent the interval is a second of course, between the same note and itself the interval is in unison. a second a third, a fourth, et cetera. [doleful violin music] melodies are very meaningful. to people, melody is often the most meaningful aspect of a piece of music. it's what we remember, it's what we relate to and those melodies come from the intervals between the notes as we play them. [piano plays classical music] (woman) melody is the tune-- the singable part of a piece of music. it's the part that our ear naturally gravitate towards. technically, melody is a succession of pitches coming one after another that together form a complete thought or a phrase; that's what we call it in music. just like sentences have words and we don't hear the individual words in the sentence we hear how those words join together to form a sentence, the same goes with music. there are many notes but those notes we don't hear really individually. we hear them as a long line, and it gives the con