In classical Athens, satyrs made up the chorus in a genre of play known as a "satyr play", which was a parody of tragedy and was known for its bawdy and obscene humor. The only complete surviving play of this genre is "Cyclops" by Euripides, although a significant portion of Sophocles's "Ichneutae" has also survived. In mythology, the satyr Marsyas is said to have challenged the god Apollo to a musical contest and been flayed alive for his hubris. Though superficially ridiculous, satyrs were also thought to possess useful knowledge, if they could be coaxed into revealing it. The satyr Silenus was the tutor of the young Dionysus and a story from Ionia told of a "silenos" who gave sound advice when captured.