I was puzzled in Amberes when I saw this musician in the street playing this weird instrument. It has strings and it is played like a violin, but it has a kind of amplifier like a trumpet.
Man had always asumed that he was more intelligent than dolphins because
he had achieved so much, while all the dolphis had ever done was muck
about in the water having a good time. The dolphins had always believed
that they were far more intelligent, for precisely the same reasons.
—
The HitchHiker's Guide to the Galaxy - Douglas Adams).