Beethoven's only opera underwent various cuts and changes before becoming Fidelio in 1814. This is the original 1805 version, which includes two numbers not in Fidelio.
Leipzig Radio Chorus and Symphony Orchestra/Max Pommer
Acts 1 and 2
8.35 David Charlton relates Leonore to the French genre of Rescue Opera.
8.45 Act 3
(East German Radio recording)