From: Toby Smithe  <tsmithe@ubuntu.com>
Subject: Switch the Mixer to F8.
 The default F10 conclits with main menu binding in GNOME/Unity

--- a/mscore/mscore/actions.cpp
+++ b/mscore/mscore/actions.cpp
@@ -1428,7 +1428,7 @@
          //Cmd + M is for minimize to dock on mac
 		 Qt::Key_M,
 #else
-		 Qt::Key_F10,
+		 Qt::Key_F8,
 #endif
          Qt::ApplicationShortcut,
          QT_TRANSLATE_NOOP("action","Mixer"),