Here are my purely subjective (and probably worthless!) ratings on a five-point scale from 1(least) to 5(most):
| Difficulty | Complexity | Physical | Meditative |
|---|---|---|---|
| 3 | 3 | 3 | 1 |
Music origin: Vangelis
A version is available performed by Vangelis
A source for the music is "Heaven and Hell (RCA RS1025) {Needles and Bones}"