diff --git a/AudioPiracyGuide.md b/AudioPiracyGuide.md
index 733949674..6b63c1236 100644
--- a/AudioPiracyGuide.md
+++ b/AudioPiracyGuide.md
@@ -82,6 +82,7 @@
 * [BitMidi](https://bitmidi.com/) - Stream / Download MIDI Files
 * [keygenmusic.tk](https://keygenmusic.tk/) - Keygen Music
 * [Tasso Music](https://www.tassomusic.org/) - Early Modern Music
+* [UCSB Cylinders](https://cylinders.library.ucsb.edu/index.php), [Tinfoil](http://www.tinfoil.com/) or [i78s](https://i78s.org/) - Phonograph Cylinder Recordings
 * [Measuring Polyphony](https://measuringpolyphony.org/) - Digital Encoding of Late Medeival Music
 * [Tabletop Audio](https://tabletopaudio.com/) - Ambient Audio for Tabletop Games
 * [DigLib](https://diglib.library.vanderbilt.edu/ama-browse.pl) - East African Recordings