Isaac lectured at the Guildhall School of Music in London.

Entity and relation annotations:
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type: entity
value: text: Isaac
labels: <Person>
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type: entity
value: text: the Guildhall School of Music
labels: <Organization>
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type: entity
value: text: London
labels: <Location>
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labels: Organization:located_in:Location
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type: relation
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labels: Person:provides_services_to:Organization
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labels: Person:visits:Location
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