0:00/??? 1 Tuning Fork RE - 417 Hertz 0:50 Tuning Fork RE - 417 Hertz by Recorded by Veronica McCarrison Share link 0:00/0:50
0:00/??? 1 Tuning Fork FA - 639 Hertz 0:46 Tuning Fork FA - 639 Hertz by Recorded by Veronica McCarrison Share link 0:00/0:46
0:00/??? 1 Tuning Fork LA - 852 Hertz 0:46 Tuning Fork LA - 852 Hertz by Recorded by Veronica McCarrison Share link 0:00/0:46
