Sentence:  Evegeni Dubovskoi <WSD>conducted</WSD> an exceptionally large orchestra , one containing excellent soloists - the violin solos by the concertmaster , Guy Lumia , were especially fine - but one in which the core of traveling players and the body of men added locally had not had time to achieve much unity . 
Meaning of the word marked with <WSD> tags:  lead, as in the performance of a composition; Barenboim conducted the Chicago symphony for years"