A third workaround to change the accels: If an application supports accel changing (must call gtk_accel_map_load/gtk_accel_map_save to make accel changes persistent), a scheme-style configuration file should exist that maps the actions onto the keys, it can be edited by a normal text editor. Normally the file can be found in the application's configuration folder (e.g for Banshee: ~/.config/banshee-1/gtk_accel_map). After a restart of the application the changed shortcuts should work.
A third workaround to change the accels: If an application supports accel changing (must call gtk_accel_ map_load/ gtk_accel_ map_save to make accel changes persistent), a scheme-style configuration file should exist that maps the actions onto the keys, it can be edited by a normal text editor. Normally the file can be found in the application's configuration folder (e.g for Banshee: ~/.config/ banshee- 1/gtk_accel_ map). After a restart of the application the changed shortcuts should work.