Sentence:  “He said, 'Let me get the best people.' And that's what he did. He got John Kalodner and Gary Gersh and Tom Zutaut, and they became stars in their own right.” Over the ensuing decade, that <WSD>troika</WSD> of talent-finders would bring a host of multiplatinum artists—from Cher and Aerosmith to Guns N' Roses and Nirvana—to Geffen. 
Meaning of the word marked with <WSD> tags:  A party or group of three, "especially" a ruling council of three people in Russian contexts.