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