- Alpaslan Durmuş
- 1:52 minute(s):second(s)
- Turkey (Istanbul)
The longest continuous vocal note is 1 min 52 sec and was achieved by Alpaslan Durmuş (Turkey) at the Kipdaş Mühendislik, Istanbul, Turkey, on 8 February 2016.
The note was sustained above the required decibel threshold from a measurement distance of 2.5 metres.