1 definition by Unexist
The opposite of 'mainstream'. Applies to music (modern and older), books, hobbies, movies, etc.
The 'Is It Mainstream Music?' Test: Does this song/band play on more than three radio stations? Yes- Most likely main. No- Most likely sub.
The 'Is It Mainstream Music?' Test: Does this song/band play on more than three radio stations? Yes- Most likely main. No- Most likely sub.
by Unexist May 16, 2010