On September 16, 2022, King Felipe and Queen Letizia of Spain attended the concert of the Spanish National Orchestra and Choir (OCNE - Orquesta y Coro Nacionales de Espana), at the National Auditorium in Madrid. The concert was organized as part of the celebrations of the 50th anniversary of cancer research the Spanish Association Against Cancer. Queen Letizia is the honorary president of the Spanish Association Against Cancer (AECC).