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He was principal cello in several major London orchestras and helped to popularise the cello as a solo instrument in the early years of the 20th century by giving public concerts throughout the British Isles and making recordings ; he became well known for his performances of the Elgar and Saint-Saëns cello concertos .
 person: Saint-Saëns
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Saint-Saëns 
Answer:
 person: Saint-Saëns