magnus<p>In this early 1970s documentary on MIT's electronic music studio Barry Vercroe demonstrates a GUI for what is probably a version of the MUSIC language: <a href="https://www.youtube.com/watch?v=Ge6SxOmX5Xw" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=Ge6SxOmX5X</span><span class="invisible">w</span></a> This is the earliest instance of a visual programming language for music that I have come across so far <a href="https://assemblag.es/tags/computerMusic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>computerMusic</span></a>, <a href="https://assemblag.es/tags/computerMusicHistory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>computerMusicHistory</span></a>, <a href="https://assemblag.es/tags/blockDiagrams" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>blockDiagrams</span></a>, <a href="https://assemblag.es/tags/MaxMSP" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MaxMSP</span></a>, <a href="https://assemblag.es/tags/pureData" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pureData</span></a></p>