A harmonically tuned custom singing bowl set in the following sizes and notes: 4.5", 5.5", 6", 6.5" : C, E, F#, B Four top quality hand hammered golden bowls with an amazing combined tone. This set has been created by Himalayan Bowls founder Joseph Feinstein for the most beautiful sound and smooth vibrations. Click Listen to hear a sample recording of this custom singing bowl set. The harmonics are in-tune with each other for an excellent tonal experience. These are genuine hand hammered singing bowls. You will receive the exact singing bowls in the photo and sound recording. Accessories are included, as pictured. Listen with headphones to hear how the tones interact. The experience in person is even more special!