Matching Pairs Melody and HarmonyOnline version 1 ESO, bilingual, melody and harmony by Gustavo Porras Funes 1 2 3 Interval 4 5 Melody 6 7 8 The melody that becomes the core of a musical piece 9 10 Semitone Lowers the note by a half-step Distance between two sounds Scale The shortest distance between two sounds Melody Raises a note by a half-step Sequence of sounds that express a musical idea Harmony Theme Key signature