context: He worked on sessions for Fleetwood Mac, T.Rex, Yes, Emerson, Lake & Palmer, Petula Clark, Jerry Lee Lewis and Osibisa.
source: Rushent progressed to senior assistant engineer, staff engineer, and eventually head engineer.
reference_original: Rushent progrediu para o posto de engenheiro assistente sênior, engenheiro de equipe e eventualmente engenheiro chefe.
reference_flipped: Rushent progrediu para o posto de engenheira assistente sênior, engenheira de equipe e eventualmente engenheira chefe.