Complex sentence: Rolston was a cello prodigy when young and attended the Geneva Conservatory in Switzerland at fourteen, where she studied with Pierre Fournier, and later at the Britten-Pears School in Aldeburgh (England) where she also studied with William Pleeth.
Split into simpler sentences: Rolston was a cello child prodigy and attended the Geneva Conservatory in Switzerland at age fourteen. She studied with Pierre Fournier, and later at the Britten-Pears School in Aldeburgh (England) where she also studied with William Pleeth.