13040
After founding  Aftermath  Entertainment in 1996  Dr. Dre  took on producer Mel-Man as a co-producer and his music took on a more synthesizer-based sound using fewer vocal samples ( as he had used on Lil ' Ghetto Boy and Let Me Ride on The Chronic for example ) .
 employee of: Aftermath, Dr. Dre
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 employee of: Aftermath, Dr. Dre