This double issue of Computer Music Journal consists of a guest-edited special issue as well as some off-topic articles handled by our usual editorial staff. The guest editors, Franziska Schroeder and Romain Michon, have written this issue's Editors' Notes, in which they describe the articles they selected, all of which concern new musical interfaces. Among other topics, the articles highlight accessibility and diversity, reflecting the theme of the 2020 New Interfaces for Musical Expression conference. Front cover. This photo, from the article by Cadavid Hinojosa, shows her invention, the Electronic_Khipu_, a MIDI controller inspired by the historical Andean device named the khipu or quipu. The performer manipulates electrically conductive cords by rubbing them and knotting them to increase their tension.

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这本双期《计算机音乐杂志》由客座编辑的特刊和一些由我们通常的编辑人员处理的题外文章组成。客座编辑 Franziska Schroeder 和 Romain Michon 撰写了本期的编辑笔记，其中描述了他们选择的文章，所有这些文章都涉及新的音乐界面。在其他主题中，文章突出了可访问性和多样性，反映了 2020 年音乐表达新界面会议的主题。前盖。这张照片来自 Cadavid Hinojosa 的文章，展示了她的发明，Electronic_Khipu_，一种 MIDI 控制器，其灵感来自于历史悠久的安第斯设备，名为khipu或quipu. 表演者通过摩擦和打结来操纵导电线以增加它们的张力。