/usr/share/SuperCollider/SCClassLibrary/Common/Control/ is in supercollider-common 1:3.4.5-1wheezy1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/SuperCollider/SCClassLibrary/Common/Control/Buffer.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/Bus.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/Engine.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/GeneralHID.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/GeneralHIDSpec.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/GraphBuilder.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/HIDDeviceService.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/MIDIOut.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/MIDIResponder.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/Module.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/NetAddr.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/Node.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/NodeControl.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/NodeWatcher.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/OSC.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/OSCBundle.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/OSCService.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/OSCpathResponder.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/OSCresponder.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/Score.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/SerialPort.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/Server.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/SkipJack.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/SystemActions.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/Volume.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/WII.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/asBus.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/asDefName.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/asGroup.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/asMIDIPort.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/asNodeArg.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/asScore/
/usr/share/SuperCollider/SCClassLibrary/Common/Control/asScore/RenderNotePlayer.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/asScore/ScoreStreamPlayer.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/asScore/asScore.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/asTarget.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/extSystemActions.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/ignore/
/usr/share/SuperCollider/SCClassLibrary/Common/Control/ignore/GeneralHID.sc
/usr/share/SuperCollider/SCClassLibrary/Common/Control/schedBundle.sc