But eventually these new abilities spread throughout the human race until only a very small number of people were unable to experience colors and music .
Bucke states that , initially , only a small number of humans were able to see colors and experience music .
Eventually these new abilities spread throughout the human race until only a very small number of people were unable to experience colors and music .
Bucke states that , initially , only a small number of humans were able to see colors and experience music .