A recommended of 15 minutes listening, a few times a week for 4 weeks is sufficient for you to feel the healing properties of solfeggio frequencies.

What are the 7 healing frequencies? The Solfeggio Frequencies:
174 Hz relieves pain and stress.
285 Hz heals tissues and organs.
396 Hz liberates you from fear and guilt.
417 Hz facilitates change.
528 Hz for transformation and DNA repair.
639 Hz reconnects you with your relationships.
741 Hz helps provide solutions and self-expression.

417 Hz
Solfeggio frequency 417 Hz carries an energy that leads to change. This frequency clears past traumatic experiences and destroys the devastating effects of negative events.
The frequency of 417 Hz corresponds to the sacred chakra and the note “Re.” Speaking of cellular processes, the D tone adjusts cells and cellular functions to work optimally.
The 417 Hz frequency connects us to an inexhaustible source of energy that can change our lives.
The 417 Hz tone is used to help us move from one life to another to dissolve the energies that accumulate in the energy system.
These accumulated energies of unfulfilled desires, frustration, and dissatisfaction can become so dense and create such blocks that we lose our sense of interest and “freshness” of life. Then everything becomes boring and meaningless.