Perfect fourth: Difference between revisions
The concept started as an interval in the diatonic scale, and is still used this way. The interval region is a later association. You can't just make it the main definition Tag: Undo |
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{{About|the [[interval region]]|the just perfect fourth|4/3}} | {{About|the [[interval region]]|the just perfect fourth|4/3}} | ||
{{Wikipedia}} | {{Infobox interval region|Name=Perfect fourth|Cents lower=480|Cents lower wide=450|Cents upper=514|Cents upper wide=550|JI intervals=4/3|MOSes=[[5L 2s]], [[2L 5s]], [[5L 3s]], [[7L 2s]], [[2L 7s]]|Complement=[[Perfect fourth]]|Lower region=[[Major third]]|Higher region=[[Semi-augmented fourth]] <br> [[Tritone]]}}{{Wikipedia}} | ||
A '''perfect fourth (P4)''' is an interval that spans three steps of the [[5L 2s|diatonic]] scale with a perfect quality, i.e. the quality that exists in all but one modes. Depending on the specific tuning, it ranges from 480 to 514{{cent}} ([[5edo|2\5]] to [[7edo|3\7]]). | A '''perfect fourth (P4)''' is an interval that spans three steps of the [[5L 2s|diatonic]] scale with a perfect quality, i.e. the quality that exists in all but one modes. Depending on the specific tuning, it ranges from 480 to 514{{cent}} ([[5edo|2\5]] to [[7edo|3\7]]). | ||