A: No. It is likely illegal, potentially dangerous (wrong rhythm), and may harm your device. Only use audio obtained directly from the Art of Living after completing a course.
If you cannot afford the course or are not ready to commit, but you are curious about Sri Sri Ravi Shankar's teachings, consider these legal, free alternatives: Shri Shri Ravishankar Sudarshan Kriya Mp3 Free Download
A: Not of the full Kriya, but free 1-hour "Experience SKY Breath" workshops are offered regularly online. You can experience a modified version legally. A: No