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Aaron Turner  owner of  Hydra Head  Records and former Isis guitarist and vocalist described this album as one of the most engaging projects I have been involved with both musically and visually .
 employee of: Aaron Turner, Hydra Head
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
 Entity Pairs:  Aaron Turner, Hydra Head 
Answer:
 employee of: Aaron Turner, Hydra Head