/usr/ is in supercollider-emacs 1:3.6.6~repack-2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/supercollider-emacs
/usr/share/SuperCollider/
/usr/share/SuperCollider/Extensions/
/usr/share/SuperCollider/Extensions/scide_scel/
/usr/share/SuperCollider/Extensions/scide_scel/extClassBrowser.sc
/usr/share/SuperCollider/Extensions/scide_scel/Emacs.sc
/usr/share/SuperCollider/Extensions/scide_scel/extString.sc
/usr/share/SuperCollider/Extensions/scide_scel/extBuffer.sc
/usr/share/SuperCollider/Extensions/scide_scel/ScelDocument.sc
/usr/share/SuperCollider/Extensions/scide_scel/homeContext.sc
/usr/share/SuperCollider/Extensions/scide_scel/storeLispOn.sc
/usr/share/SuperCollider/Extensions/scide_scel/EmacsBuffer.sc
/usr/share/SuperCollider/Extensions/scide_scel/EmacsDocument.sc
/usr/share/menu/
/usr/share/menu/supercollider-emacs
/usr/share/doc/
/usr/share/doc/supercollider-emacs/
/usr/share/doc/supercollider-emacs/AUTHORS
/usr/share/doc/supercollider-emacs/README
/usr/share/doc/supercollider-emacs/copyright
/usr/share/doc/supercollider-emacs/changelog.Debian.gz
/usr/share/applications/
/usr/share/applications/scel.desktop
/usr/share/emacs/
/usr/share/emacs/site-lisp/
/usr/share/emacs/site-lisp/SuperCollider/
/usr/share/emacs/site-lisp/SuperCollider/sclang-menu.el
/usr/lib/emacsen-common/packages/
/usr/share/emacs/site-lisp/SuperCollider/sclang-dev.el
/usr/share/emacs/site-lisp/SuperCollider/sclang-widgets.el
/usr/share/emacs/site-lisp/SuperCollider/sclang-util.el
/usr/share/emacs/site-lisp/SuperCollider/sclang-language.el
/usr/share/emacs/site-lisp/SuperCollider/sclang-mode.el
/usr/share/emacs/site-lisp/SuperCollider/sclang-server.el
/usr/share/emacs/site-lisp/SuperCollider/sclang-interp.el
/usr/share/emacs/site-lisp/SuperCollider/sclang-keys.el
/usr/share/emacs/site-lisp/SuperCollider/sclang-browser.el
/usr/share/emacs/site-lisp/SuperCollider/sclang-document.el
/usr/share/emacs/site-lisp/SuperCollider/sclang-help.el
/usr/share/emacs/site-lisp/SuperCollider/tree-widget.el
/usr/share/emacs/site-lisp/SuperCollider/sclang-minor-mode.el
/usr/share/emacs/site-lisp/SuperCollider/sclang.el
/usr/share/emacs/site-lisp/SuperCollider/sclang-vars.el
/usr/lib/
/usr/lib/emacsen-common/
/usr/lib/emacsen-common/packages/remove/
/usr/lib/emacsen-common/packages/remove/supercollider-emacs
/usr/lib/emacsen-common/packages/install/
/usr/lib/emacsen-common/packages/install/supercollider-emacs
/usr/lib/emacsen-common/packages/compat/
/usr/lib/emacsen-common/packages/compat/supercollider-emacs