Overview: Broadcast of Prom 10: Aurora Orchestra – Beethoven’s ‘Eroica’ The fearlessly brilliant members of Aurora Orchestra put Beethoven's revolutionary Eroica Symphony under the Proms microscope. Presenter Tom Service and conductor Nicholas Collon perform a lively and revealing on-stage dissection of the score that changed musical history. The Prom culminates with a full performance of the symphony, which the orchestra will play entirely from memory.