{"webpage_url": "https://www.youtube.com/watch?v=ruysXDwpmP0", "playlist_uploader_id": "WanderingArtistMusic", "tags": ["just intonation", "music", "ponytown", "mlp", "relaxing", "orchestral", "abstract", "ambient", "speedpaint", "piano", "classical", "tuning"], "uploader_url": "http://www.youtube.com/user/WanderingArtistMusic", "n_entries": 108, "webpage_url_basename": "ruysXDwpmP0", "uploader": "John Doe", "release_date": null, "thumbnails": [{"url": "https://i.ytimg.com/vi/ruysXDwpmP0/maxresdefault.jpg", "id": "0"}], "thumbnail": "https://i.ytimg.com/vi/ruysXDwpmP0/maxresdefault.jpg", "ext": "mp4", "annotations": null, "creator": null, "fulltitle": "01 Pr\u00e4ludium - Music in just intonation (w/deeraw speedpaint)", "width": 1280, "alt_title": null, "subtitles": {}, "chapters": null, "categories": ["Music"], "channel_url": "http://www.youtube.com/channel/UCDO3AONn3SuSF6onrkxNJAA", "channel_id": "UCDO3AONn3SuSF6onrkxNJAA", "duration": 243, "playlist_id": "UUDO3AONn3SuSF6onrkxNJAA", "release_year": null, "start_time": null, "playlist_index": 46, "dislike_count": 0, "uploader_id": "WanderingArtistMusic", "series": null, "playlist_title": "Uploads from John Doe", "extractor_key": "Youtube", "track": null, "description": "artwork by http://deerdraw.deviantart.com/\nalbum download https://goo.gl/wpcHgj\n\nabout just intonation https://en.wikipedia.org/wiki/Just_intonation\n\nJust intonation is a particular musical tuning in which the relationships between the notes is defined by simple whole numbers (like 2:3, 4:3 and so on). That is not the case with the usual tuning we all use (equal temperament) in which the relationship between each note of the scale is defined by an irrational number, the 12th root of 2. Nowadays we are all accustomed to this tuning, but the use of such irrational number caused some imperfections when playing some intervals together, causing them to be less pure. I think the main reason why we accepted this compromise was the fact the you can change key effectively using the same tuning (well-tempered), while in just intonation you have to retune every interval every time you change key. This of course was a problem with real instruments but with electronic instruments that\u2019s not the case, we can change tuning on the go, and have pure intervals in every key.\n\nPr\u00e4ludium\nShowcasing pure intervals from the start was not easy. I wanted the sound to be almost synthetic, the piece starts with just a few fifths to set the tone while other instruments are played in reverse to focus on the sustain instead of the attack. A more dynamic middle section features classical instruments trying to to interact with the reversed instruments and then the piece ends with a reprise of the first section.\n\nHope you enjoy!", "height": 720, "extractor": "youtube", "formats": [{"protocol": "https", "format_id": "249", "player_url": "/yts/jsbin/player_ias-vflR4bDhL/en_US/base.js", "quality": -1, "http_headers": {"Accept-Language": "en-us,en;q=0.5", "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3515.1 Safari/537.36", "Accept-Encoding": "gzip, deflate", "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8", "Accept-Charset": "ISO-8859-1,utf-8;q=0.7,*;q=0.7"}, "downloader_options": {"http_chunk_size": 10485760}, "filesize": 1787291, "format": "249 - audio only (DASH audio)", "url": "https://r2---sn-p5qlsndz.googlevideo.com/videoplayback?expire=1566386986&ei=ytZcXcyTDZCOhwbJio2oCA&ip=192.82.109.100&id=o-AH24cepP3f_vOYQBHzumNHAxwkIjvh8YavrYfSjdqC5j&itag=249&source=youtube&requiressl=yes&mm=31%2C26&mn=sn-p5qlsndz%2Csn-vgqsknez&ms=au%2Conr&mv=u&mvi=1&pl=24&mime=audio%2Fwebm&gir=yes&clen=1787291&dur=243.341&lmt=1497982710485925&mt=1566365017&fvip=2&keepalive=yes&c=WEB&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cmime%2Cgir%2Cclen%2Cdur%2Clmt&sig=ALgxI2wwRQIgA6wgH1SvjHaEUIQSR38RmWhihYYZKdmTm-1ugfHk34QCIQCX-ODltzonevR0uwuGqw_jzvVRyQ-EHmyKBd72SVRtlQ%3D%3D&lsparams=mm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl&lsig=AHylml4wRgIhALzYsnnC9qBLrfQuHf--me-syHT3Qiyue8VuGGpz-kahAiEApVIzRaHQN6YDRX-BpNL-XJUE_3YbWw7H5fzppSvjQME%3D&ratebypass=yes", "format_note": "DASH audio", "vcodec": "none", "ext": "webm", "tbr": 62.675, "acodec": "opus", "abr": 50}, {"protocol": "https", "format_id": "250", "player_url": "/yts/jsbin/player_ias-vflR4bDhL/en_US/base.js", "quality": -1, "http_headers": {"Accept-Language": "en-us,en;q=0.5", "User-Agent": "Mozilla/5.0 (Windows NT 10.0; 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