[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:01.86,0:00:04.39,Default,,0000,0000,0000,,Here we have the notes from the central octave. Dialogue: 0,0:00:04.39,0:00:07.99,Default,,0000,0000,0000,,Although they are written one after another: Dialogue: 0,0:00:07.99,0:00:15.10,Default,,0000,0000,0000,,line, space, line, space, line, space, etc. Dialogue: 0,0:00:15.10,0:00:20.16,Default,,0000,0000,0000,,the interval between them is not always the same. Dialogue: 0,0:00:20.16,0:00:27.29,Default,,0000,0000,0000,,So between C and D, we have an interval of a large second, Dialogue: 0,0:00:27.29,0:00:29.81,Default,,0000,0000,0000,,or - a whole tone. Dialogue: 0,0:00:29.81,0:00:34.14,Default,,0000,0000,0000,,Between D and E, similarly we have one tone. Dialogue: 0,0:00:34.14,0:00:36.31,Default,,0000,0000,0000,,Between E and F, on the other hand, Dialogue: 0,0:00:36.31,0:00:38.90,Default,,0000,0000,0000,,although they are written consecutively, Dialogue: 0,0:00:38.90,0:00:43.77,Default,,0000,0000,0000,,we have a semi-tone, meaning - a half of a tone. Dialogue: 0,0:00:43.77,0:00:47.26,Default,,0000,0000,0000,,Between F and G - tone, G and A - tone, Dialogue: 0,0:00:47.35,0:00:52.33,Default,,0000,0000,0000,,A and B - tone, and between B and C - semi-tone. Dialogue: 0,0:00:52.33,0:00:55.38,Default,,0000,0000,0000,,In order for the explanation to be easily visualised, Dialogue: 0,0:00:55.38,0:00:58.97,Default,,0000,0000,0000,,I have drawn for you the piano keys. Dialogue: 0,0:00:58.97,0:01:03.92,Default,,0000,0000,0000,,These would be the white piano keys Dialogue: 0,0:01:03.92,0:01:07.19,Default,,0000,0000,0000,,and these the black ones, as you can see. Dialogue: 0,0:01:07.19,0:01:11.74,Default,,0000,0000,0000,,This is the key for the C note. Dialogue: 0,0:01:11.74,0:01:16.01,Default,,0000,0000,0000,,Between C and D there is a whole tone. Dialogue: 0,0:01:16.01,0:01:18.81,Default,,0000,0000,0000,,Between D and E, a whole tone. Dialogue: 0,0:01:18.81,0:01:22.34,Default,,0000,0000,0000,,Between E and F, a semi-tone. Dialogue: 0,0:01:22.34,0:01:28.64,Default,,0000,0000,0000,,And we can visualise this, because we see that the black key is missing. Dialogue: 0,0:01:28.64,0:01:31.85,Default,,0000,0000,0000,,The same case is between B and C. Dialogue: 0,0:01:31.85,0:01:45.60,Default,,0000,0000,0000,,Let's write C, D, E, F, G, A, B, C; Dialogue: 0,0:01:45.60,0:01:51.05,Default,,0000,0000,0000,,ie: Do, Re, Mi Fa, Sol, La, Si, Do Dialogue: 0,0:01:51.05,0:01:59.72,Default,,0000,0000,0000,,So between E - F and B - C, we have semi-tone. Dialogue: 0,0:01:59.72,0:02:06.50,Default,,0000,0000,0000,,Let's hear a tone! - between C and D (playing notes on the piano) Dialogue: 0,0:02:06.50,0:02:09.87,Default,,0000,0000,0000,,between D and E Dialogue: 0,0:02:09.87,0:02:14.92,Default,,0000,0000,0000,,between E and F it's a semi-tone Dialogue: 0,0:02:14.92,0:02:19.21,Default,,0000,0000,0000,,How would it sound like if it would be a whole tone? Dialogue: 0,0:02:19.21,0:02:24.29,Default,,0000,0000,0000,,But it is a semi-tone and it sounds like this Dialogue: 0,0:02:24.29,0:02:27.22,Default,,0000,0000,0000,,You hear - that this is an dissonant interval, Dialogue: 0,0:02:27.35,0:02:31.43,Default,,0000,0000,0000,,disturbing to the ear. Dialogue: 0,0:02:31.43,0:02:36.37,Default,,0000,0000,0000,,And the whole-tone interval is not as disturbing Dialogue: 0,0:02:36.37,0:02:41.96,Default,,0000,0000,0000,,as the semi-tone would be. Dialogue: 0,0:02:41.96,0:02:44.37,Default,,0000,0000,0000,,These intervals are also named Dialogue: 0,0:02:44.37,0:02:50.98,Default,,0000,0000,0000,,large-second and small-second: tone and semi-tone Dialogue: 0,0:02:50.98,0:02:53.50,Default,,0000,0000,0000,,The semi-tone interval, specifically because it is Dialogue: 0,0:02:53.50,0:02:58.01,Default,,0000,0000,0000,,so disturbing to the ear, is used for Dialogue: 0,0:02:58.01,0:03:03.78,Default,,0000,0000,0000,,tunning the car horns, it sound dissonant.