How low does the organ go?

Sun, 04 Oct 2026 23:12:34 +0200

The pipe organ in Hans Zimmer’s Interstellar soundtrack goes deep. Really deep. But how deep exactly? I wanted a number and not just a feeling in my stomach, so I wrote a small Python script to find the lowest frequency in a recording that still carries a relevant level.

Getting the audio

I recorded about a minute of the stream on my Mac with Audacity via BlackHole, a virtual audio device that loops the system output back as an input. Then export it uncompressed:

Audio on Dirk

How low does the organ go?

Getting the audio