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