• 23 Videos, Slides, Films

• 6 Production and direction
• 5 German language
• 5 Language, Universal
• 5 Opera
• 4 Music rehearsals
• 2 Ballet
• 2 Conducting
• 2 Interpretation (Phrasing, dynamics, etc.)
• 2 Puccini, Giacomo, 1858-1924
• 2 Symphonies
• 1 Alzheimer's disease
• 1 Assassins
• 1 Ballet dancers
• 1 Ballets
• 1 Boulez, Pierre, 1925-2016
• 1 Cities and towns
• 1 Composers
• 1 Concertgebouworkest
• 1 Conductors (Music)
• 1 Criminology
• 1 Don Carlos
• 1 Economic conditions
• 1 Families
• 1 Fanciulla del West
• 1 Haitink, Bernard, 1929-2021

• 7 Films Media Group
• 6 Infobase
• 5 BBC (Firm)
• 5 Opus Arte (Firm)
• 4 Alexander Street Press
• 3 AVRO (Firm)
• 3 Concertgebouworkest
• 3 Jansons, Mariss, 1943-2019
• 2 Koninklijk Concertgebouworkest
• 2 Nederlands Operakoor
• 2 Nederlandse Opera
• 2 Prior, Alexander, 1992-
• 2 Puccini, Giacomo, 1858-1924
• 2 Shostakovich, Dmitriĭ Dmitrievich, 1906-1975
• 1 AVK Filmprodukties
• 1 Adassa
• 1 Allegri Film
• 1 Araya, Graciela
• 1 Arthaus Musik (Firm)
• 1 Audi, Pierre
• 1 Barker, Cheryl
• 1 Beatriz, Stephanie
• 1 Berlioz, Hector, 1803-1869
• 1 Boetzelaer, Digna van
• 1 Bonarius, Belle

• 13 English
• 5 French
• 5 Italian
• 3 Spanish
• 2 German
• 2 Multiple languages
• 2 Russian
• 1 Chinese
• 1 Greek, Modern (1453-)
• 1 Hebrew
• 1 Japanese
• 1 Portuguese
• 1 Swedish

• 1 Chile
• 1 China
• 1 Colombia
• 1 France
• 1 Netherlands

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