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His most important pupil , Matthias Weckmann , studied with him from 1633 to 1636 and later joined him in Hamburg as organist at the Jakobikirche .
 Matthias Weckmann, Hamburg, Jakobikirche
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Matthias Weckmann, Hamburg, Jakobikirche