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