<s>
Mic	B-Application
in	I-Application
track	I-Application
(	O
as	O
well	O
as	O
Line	O
in	O
track	O
and	O
Mixer	O
in	O
track	O
)	O
was	O
the	O
default	O
name	O
of	O
a	O
file	O
created	O
after	O
recording	O
with	O
the	O
program	O
MusicMatch	B-Application
Jukebox	I-Application
.	O
</s>
<s>
In	O
the	O
late	O
1990s	O
and	O
early	O
2000s	O
,	O
Mic	B-Application
in	I-Application
track	I-Application
files	O
began	O
appearing	O
on	O
file-sharing	O
networks	O
such	O
as	O
Napster	B-Application
,	O
usually	O
without	O
the	O
knowledge	O
of	O
their	O
creators	O
.	O
</s>
<s>
Because	O
of	O
the	O
unique	O
name	O
,	O
voyeurs	B-Application
could	O
easily	O
search	O
for	O
the	O
files	O
and	O
listen	O
to	O
audio	O
of	O
unknowing	O
individuals	O
performing	O
karaoke	O
or	O
joking	O
around	O
with	O
friends	O
.	O
</s>
<s>
Several	O
websites	O
are	O
devoted	O
to	O
cataloging	O
and	O
featuring	O
their	O
favorite	O
Mic	B-Application
in	I-Application
track	I-Application
files	O
.	O
</s>
