open mic

US /ˈoʊ.pən ˌmaɪk/
UK /ˈoʊ.pən ˌmaɪk/
"open mic" picture
1.

open mic, serata a microfono aperto

an event at which anyone can perform, especially by telling jokes or singing

:
She signed up for the open mic night at the local cafe.
Si è iscritta alla serata open mic al caffè locale.
Many famous comedians started out at open mic events.
Molti comici famosi hanno iniziato agli eventi open mic.