Alpha Zone State and BioFeedback

The brain produces electrical energy. This energy has amplitude (voltage) and frequency (number of cycles/second) from 0 to 40. Producing different qualities.
Jim Hardt's, the speaker on CoasttoCoastam.com operates a bio-feedback training center in California. His website. Training produces dramatic life changing results. 2day training $4695, 7 days $14995.

Brains operating frequency defined in five levels.
Less than 0.1 Epsilon Deep Trance States
0.1 to 4 cps Delta: Deep Sleep
4 to 7.9 Theta: Dreaming and Intuitive state.
7 to 13 Alpha: Awake inner focus.
13 to 40 Beta: Awake focused outside.

Alpha
Is the magical place for creativity, healing and feelings of well being.

Beta
Is state of alertness, critical thinking, managing, calculating and where stress, anxiety, anger, and suffering occur. Typical modern life waking state is over-spent in Beta. Without time for Alpha health issues, depression and other ill ease conditions can occur.

Hemi-Synch technology uses stereo headphones. On one side is music with standard music and other side is standard music plus 8 cycles per second. This creates a beat frequency with the brain of 8 cycles and induces an 8 cycle alpha wave.

There are many companies now producing sound tapes employing these techniques.
One is Deep Zen Meditation Price is $77.00

The Lazy Man Or Woman’s Way

to Total Peace and Happiness

Try out a 10 minute sample for free. See for your self if it gets you to the Alpha Zone state as a natural biofeedback of pleasure. I tried this sample. It is entrancing, combination of jazzy and chorale that naturally slows your breathing. It is not an mp3 you can download, but you get a link to listen to sample.
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Another Product is Brainwave Entrainment Unexplainable Store -Price is $14.95 available for immediate download to your computer. They offer a free 10 minute sample. I have tried the free sample. It is worth downloading and saving as an MP3. Sounds of running water, birds in background, a flowing music tone. It brings on peace and joy and relaxation for me.
They offer 24 different Mp3's depending on mind states desired: astral projection, sleep, lucid dreaming, pain releif, self hypnosis . According to them, Alpha state is just the beginning:
Theta Meditation is said to be the "Gateway to Eternal Bliss"