"Bubbling" and pressure while meditating.

[Usako]

So I decided to try out Binaural Beats and bought two recordings, one to rise to your Christ Conciousness and the other for reaching an Alpha State.

The first I tried was the C.C. one, which is supossed to be an "upper beta frecuency" and while I was doing it I felt like a bubble comming out of the lower part (around the waist) of my spine, as well as a warm sensation in the same spot, it was like a bubble which came out three times. I am not sure if this should be heard while doing anything or lying down, but I tried it lying down on my back.

When I tried the Alpha meditation I felt almost out of my body, the room was very warm, but I started feeling a cool sensation around my hands, and then I felt some pressure on my arm, like someone was pushing down with a finger, a kind of pulsating but only in specific spots, once a time, it happened three times I believe.

Do you know what these feelings could mean?