Meaning of the word "mainstream culture" in English

What does "mainstream culture" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

mainstream culture

US /ˈmeɪn.striːm ˈkʌl.tʃər/
UK /ˈmeɪn.striːm ˈkʌl.tʃər/

Noun

the cultural ideas, values, and practices that are most widely accepted and dominant in a society

Example:
Punk rock emerged as a rebellion against mainstream culture.
Many independent artists struggle to break into mainstream culture.