This is a set of frequencies labelled African Sleeping Sickness,
African Sleeping Sickness 70 Hz
African Sleeping Sickness 5620 Hz
African Sleeping Sickness 7000 Hz
African Sleeping Sickness 3250 Hz
African Sleeping Sickness 4750 Hz
African Sleeping Sickness 9509 Hz
African Sleeping Sickness 1751-1 Hz
African Sleeping Sickness 4751-1 Hz
African Sleeping Sickness 5270 Hz
Don't lose sleep on it, many sets of frequencies are just vague.