174hz Solfeggio - Grounding

The frequency of 174 Hz corresponds to the note F3. This frequency is also one of the so-called Solfeggio frequencies, which can serve as the keynote for compositions and are known for their grounding and relaxing properties.
Further details
Solfeggio frequency: 174 Hz is the lowest of the original nine Solfeggio frequencies and is often referred to as the "foundation of protection."
Intended use: It can be used to promote a sense of grounding, protection, and security, which can be helpful for meditation and mindfulness.