Hacker News: ribeirojrhttps://news.ycombinator.com/user?id=ribeirojrHacker News RSShttps://hnrss.org/hnrss v2.1.1Sun, 21 Jun 2026 10:05:48 +0000<![CDATA[New comment by ribeirojr in "Show HN: Ear training using midi.js"]]>Impossible to see something like this and not recommend this guy's work: https://soundcloud.com/thesignatureseries SIMPLY AMAZING!

]]>Wed, 26 Aug 2015 19:44:30 +0000https://news.ycombinator.com/item?id=10125532ribeirojrhttps://news.ycombinator.com/item?id=10125532https://news.ycombinator.com/item?id=10125532