In 1969, the theatre was given new electrical facilities and, during 1978, part of the original Foyer de la Danse was converted into new rehearsal space for the Ballet company by the architect Jean-Loup Roubert.
En 1969 o teatro recibiu novas instalacións eléctricas e en 1978 parte do Foyer de la Danse orixinal converteuse nun novo espazo para ensaios da Compañía de ballet, obra do arquitecto Jean-Loup Roubert.