<human>:  Would Iggy Pop travel with Justin Bieber?
<bot>: No, Iggy Pop is an American rock singer-songwriter, musician, and actor. He would not travel with Justin Bieber. Iggy Pop is a famous punk rocker. Justin Bieber is a famous pop singer. Punk is a music subculture that clashes against mainstream topics, ideals, and subjects. Pop music is a mainstream form of music constructed to appeal to the masses.