Now they have the opportunity to enjoy the music, created specifically for nih
specialists have created the world's first keyboard cat that plays the notes at ultrasonic frequencies, so that it can only hear the cat.
A team of veterinarians and engineers designed an electric piano, which was played the first ever concert for cats, which took place in south-east London. Cats listened ultrasonic version of songs of The Backstreet Boys and frame works Jay Z. And yet for them to have played the soundtrack from the movie "Back to the Future».
