Solfeggio Frequencies, Frequency Source, Sacred Solfeggio Frequencies's 'Pain Relief - 174 Hz' had a release date set for June 25, 2024. The duration of This song is about two minutes long, specifically at 2:01. This song does not appear to have any foul language. Pain Relief - 174 Hz's duration is considered a little bit shorter than the average duration of a typical track.