More than 33, 000 entries in this book cover the most important aspects of the Performing Arts, including theatre, music, ballet, opera, theatre architecture and the technical systems, such as rigging and stage machinery, lighting, sound and electroacoustics, with special emphasis on issues normally absent from the theatre dictionaries such as noise and vibration control, design for all and security systems, as well as clothing and textiles, makeup and hair. Las m s de 33.000 entradas de esta obra cubren los aspectos m s relevantes de las Artes Esc nicas, incluyendo teatro, m sica, ballet pera, arquitectura teatral y los sistemas t cnicos, tales como escenograf a, tramoya y maquinaria teatral, iluminaci n, sonido y electroac stica, con especial nfasis en temas normalmente ausentes de los diccionarios teatrales como el control de ruido y vibraciones, el dise o para todos y los sistemas de seguridad, as como vestuario y textiles, maquillaje y peluquer a.