A busker is a street performer who entertains people in public places, like playing music, juggling, or doing magic tricks, in exchange for tips or donations from passersby. Full definition
At that time, there was no licensing or regulation of buskers in Ottawa. (moneysense.ca)
There's a very arty vibe going on, with buskers on every corner and heap of arts and crafts being sold around the place. (epicgapyear.com)
Glimpsing a pretty busker on a Paris street (she's singing a Leonard Cohen song in French), he steals her audience and then, bien sûr, her heart. (nytimes.com)