For studying the interior of The violinist it was appealed in neutron radiography [2], a non-destructive technique capable of penetrating lead.

The sculpture in front of the neutron tube prior to the radiographc sequence at the Paul Scherrer Institut's NEURA facility in Switzerland.

This project of research was financed by the European Commission by the Seventh Framework Programme, through the Action Plan "Research Infrastructures" of the "Capacities" programme, contract number CPS-CSA_INFRA-2008-1.1.1 Number 226507-NMI3.