PBD::Signal1<void,Controllable*> Controllable::StopLearning;
PBD::Signal3<void,Controllable*,int,int> Controllable::CreateBinding;
PBD::Signal1<void,Controllable*> Controllable::DeleteBinding;
PBD::Signal1<void,Controllable*> Controllable::StopLearning;
PBD::Signal3<void,Controllable*,int,int> Controllable::CreateBinding;
PBD::Signal1<void,Controllable*> Controllable::DeleteBinding;