Glastra van Loon, Otto

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Glastra van Loon, Otto Gender: M
born on 28 April 1906 at 02:05 (= 02:05 AM )
Place Soerabaya, Indonesia, 7s15, 112e45
Timezone LST m112e45 (is standard time)
Data source
From memory
Rodden Rating A
Collector: Koppejan
Astrology data s_su.18.gif s_taucol.18.gif 06°34' s_mo.18.gif s_gemcol.18.gif 21°19 Asc.s_piscol.18.gif 05°29'


Dutch musicologist, writer, composer and conductor.

Little information can be found Glastra of Van Loon in the standard online resources. Actually, Koppejan tells most of this secretive person, who like him had interest in astrology.

He is most known for his thorough books on music history, like the six or in other editions ten Volume encyclopaedic work "mozaiek van de muziekgeschiedenis" and his history of 80 years of the Amsterdam Concertgebouw orchestra ("Onder de stenen lier").

He was a musicologist and choir director. He often directed Bach's Matheus Passion. One of his favourite opera singers was the Jewish tenor and tailor Michel Gobets (1 May 1905, Amsterdam - 20 April 1945, Dachau).

After WW2, he was accused of collaborating with the Germans, presumably because he had become a member of the Dutch Kulturkammer. Without the censorship of the by the Nazi's governed Kulturkammer, artists could not earn their money (publish, perform) in any legal way. Even not by singing the in the Netherlands very celebrated Matheus Passion.

He was tried for it on 3 October 1945 and was sentenced with a Berufverbot for one year by the "Eereraad voor de Muziek" at Den Haag. On 2 January 1947 he got compensation for the wrong accusation of working together with the Nazi's in higher appeal by the "Centrale Ereraad voor de Kunst" (Central court of honor for the Arts).

In 1955 he was involved in the erection of the Netherlands Chamber Orchestra (NKO), Choirs in Rotterdam and elsewhere, composed music and was one of the first conductors of the Dutch Opera (1946, since 1964 known as the Dutch National Opera).

He died in 1986.


  • Other Work 5 April 1935 in Rotterdam (Conducted Matthäus Passion)
    chart Placidus Equal_H.
  • Work : Published/ Exhibited/ Released 15 July 1937 (3 Songs of the Hebrides Bewerking voor alt en kamerorkest)
    chart Placidus Equal_H.
  • Crime : Trial dates 3 October 1945 in Den Haag (Found guilty for making music under the Kulturkammer)
    chart Placidus Equal_H.
  • Work : Published/ Exhibited/ Released 1966 (Sesam mozaiek van de muziekgeschiedenis (6 volumes))
  • Work : Published/ Exhibited/ Released 1969 in Amsterdam (Onder de stenen lier : het Concertgebouworkest)

Source Notes

Koppejan quotes Otto Glastra van Loon personally in Beeldgids van de dierenriem..


  • Personal : Religion/Spirituality : Other Rel/Spirituality (believed that sacred music could transcendent persons and unite souls in the here and now)
  • Vocation : Entertain/Music : Composer/ Arranger
  • Vocation : Entertain/Music : Conductor
  • Vocation : Humanities+Social Sciences : Historian (Musicologist)
  • Vocation : Writers : Textbook/ Non-fiction (Musicology)