RT @SylviaMassy@twitter.com

The de-evolution of vocals: guess the singers... from the Recording Unhinged book. Enjoy!
#blackflag #tonybenefit #recordingunhinged #ledzepplin @RobertPlant@twitter.com @Korn@twitter.com @gunsnroses@twitter.com https://twitter.com/i/web/status/1611788224569159680

🐦🔗: https://twitter.com/SylviaMassy/status/1611788224569159680