I saw this episode one time in the early 90s when Comedy Central was playing the old Jack Benny television shows. I haven't seen it since, but I thought it was hilarious at the time.
This was an episode filmed in Europe. The plot involves Jack staying in a hotel and being frustrated by the loud opera singing coming from the room next door. He starts to complain until he is told that a famous opera singer was discovered and made his agent millions of dollars. This changes Jack's tune, and he offers to start his neighbor in a career as a professional opera star, with Jack naturally as his agent. When Jack asks the neighbor to sing for a crowd of people, he is sickened by the man's awful voice. It turns out that the voice Jack heard was a record of the famous opera singer he had been told about.
This was an episode filmed in Europe. The plot involves Jack staying in a hotel and being frustrated by the loud opera singing coming from the room next door. He starts to complain until he is told that a famous opera singer was discovered and made his agent millions of dollars. This changes Jack's tune, and he offers to start his neighbor in a career as a professional opera star, with Jack naturally as his agent. When Jack asks the neighbor to sing for a crowd of people, he is sickened by the man's awful voice. It turns out that the voice Jack heard was a record of the famous opera singer he had been told about.