2.0

1. Increase of Frequency from 0 Hz to 20 Khz Tone
2. 5 Hertz Infrasonics (Low-Frequency Sound)
3. 15 Hertz Infrasound (Maybe a Elephant or Whales)
4. 20 Hertz (Lowest Sound Humans Can Hear)
5. 24 Hercios (Frecuencias Ondas De Sonido)
6. 26 Hertz (Can Already Hear ?)
7. 30 Hertz (B0 Minus 49 Cents Subwoofer Deep Sound)
8. 36 Hetrz (D1 Musical Note)
9. 40 Hertz (D#1 Plus 49 Cents)
10. 50 Herzios (G1 Plus 35 Cents)
11. 60 Hertz (B1 Minus 49 Cents)
12. 70 Hertz (C#2 Plus 18 Cents)
13. 80 Hetrz (D#2 Plus 49 Cents)
14. 100 Hertz (G2 Plus 35 Cents)
15. 120 Hertz (B2 Minus 49 Cents)
16. 140 Hertz (C#3 Plus 18 Cents)
17. 150 Hertz (D3 Plus 37 Cents)
18. 170 Hertz (F3 Minus 46 Cents)
19. 200 Hertz (G3 Plus 35 Cents)
20. 300 Hertz Bass Sound Limit (D4 Plus 37 Cents)