1 Tone 1 Ichos A' 22 piece(s) Open tone → 2 Tone 2 Ichos V' 46 piece(s) Open tone → 3 Tone 3 Ichos G' 33 piece(s) Open tone → 4 Tone 4 Ichos D' 22 piece(s) Open tone → 5 Plagal Tone 1 Ichos Plagios A' 21 piece(s) Open tone → 6 Plagal Tone 2 Ichos Plagios V' 21 piece(s) Open tone → 7 Grave Tone (Varys) Ichos Varys 21 piece(s) Open tone → 8 Plagal Tone 4 Ichos Plagios D' 24 piece(s) Open tone →