<s>
Music	B-Application
Mouse	I-Application
is	O
an	O
algorithmic	O
musical	O
composition	O
software	O
developed	O
by	O
Laurie	O
Spiegel	O
.	O
</s>
<s>
Spiegel	O
's	O
best	O
known	O
and	O
most	O
widely	O
used	O
software	O
,	O
"	O
Music	B-Application
Mouse	I-Application
-	O
An	O
Intelligent	B-Application
Instrument	O
"	O
(	O
1986	O
)	O
is	O
for	O
Macintosh	B-Device
,	O
Amiga	B-Device
and	O
Atari	O
computers	O
.	O
</s>
<s>
The	O
"	O
intelligent	B-Application
instrument	O
"	O
name	O
refers	O
to	O
the	O
program	O
's	O
built-in	O
knowledge	O
of	O
chord	O
and	O
scale	O
convention	O
and	O
stylistic	O
constraints	O
.	O
</s>
<s>
In	O
addition	O
to	O
improvisations	O
using	O
this	O
software	O
,	O
Spiegel	O
composed	O
several	O
works	O
for	O
"	O
Music	B-Application
Mouse	I-Application
"	O
,	O
including	O
Cavis	O
muris	O
in	O
1986	O
,	O
Three	O
Sonic	O
Spaces	O
in	O
1989	O
,	O
and	O
Sound	O
Zones	O
in	O
1990	O
.	O
</s>
<s>
She	O
continued	O
to	O
update	O
the	O
program	O
through	O
Macintosh	B-Device
OS	B-Operating_System
9	I-Operating_System
and	O
,	O
as	O
of	O
2021	O
,	O
it	O
remained	O
available	O
for	O
purchase	O
or	O
demo	O
download	O
from	O
her	O
website	O
.	O
</s>
