<s>
Mozart	B-Application
the	I-Application
music	I-Application
processor	I-Application
is	O
a	O
proprietary	B-Application
WYSIWYG	B-Application
scorewriter	B-Application
program	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
The	O
model	O
was	O
that	O
of	O
a	O
WYSIWYG	B-Application
word	B-General_Concept
processor	I-General_Concept
,	O
but	O
for	O
music	O
notation	O
.	O
</s>
<s>
Elaine	O
Gould	O
's	O
2011	O
book	O
,	O
Behind	O
Bars	O
,	O
is	O
the	O
primary	O
guide	O
to	O
developing	O
and	O
maintaining	O
music	B-Application
engraving	I-Application
in	O
Mozart	O
,	O
as	O
it	O
is	O
for	O
other	O
score	O
writers	O
.	O
</s>
<s>
Clefs	B-Application
include	O
treble	O
,	O
bass	O
,	O
alto	O
,	O
tenor	O
,	O
percussion	O
,	O
tablature	O
,	O
and	O
others	O
.	O
</s>
