<s>
GUIDO	B-Application
Music	I-Application
Notation	I-Application
is	O
a	O
computer	O
music	O
notation	O
format	O
designed	O
to	O
logically	O
represent	O
all	O
aspects	O
of	O
music	O
in	O
a	O
manner	O
that	O
is	O
both	O
computer-readable	O
and	O
easily	O
readable	O
by	O
human	O
beings	O
.	O
</s>
<s>
It	O
was	O
named	O
after	O
Guido	B-Application
of	O
Arezzo	O
,	O
who	O
pioneered	O
today	O
's	O
conventional	O
musical	O
notation	O
1,000	O
years	O
ago	O
.	O
</s>
<s>
GUIDO	B-Application
was	O
first	O
designed	O
by	O
Holger	O
H	O
.	O
Hoos	O
(	O
then	O
at	O
Technische	O
Universität	O
Darmstadt	O
,	O
Germany	O
,	O
now	O
at	O
University	O
of	O
British	O
Columbia	O
,	O
Canada	O
)	O
and	O
Keith	O
Hamel	O
(	O
University	O
of	O
British	O
Columbia	O
,	O
Canada	O
)	O
.	O
</s>
<s>
GUIDO	B-Application
Music	I-Application
Notation	I-Application
has	O
been	O
designed	O
to	O
represent	O
music	O
in	O
a	O
logical	O
format	O
(	O
with	O
the	O
ability	O
to	O
render	O
to	O
sheet	O
music	O
)	O
,	O
whereas	O
LilyPond	B-Application
is	O
more	O
narrowly	O
focused	O
on	O
typesetting	O
sheet	O
music	O
.	O
</s>
<s>
The	O
basic	O
idea	O
behind	O
the	O
GUIDO	B-Application
design	O
is	O
representational	O
adequacy	O
which	O
means	O
that	O
simple	O
musical	O
concepts	O
are	O
represented	O
in	O
a	O
simple	O
way	O
and	O
only	O
complex	O
notions	O
require	O
more	O
complex	O
representations	O
.	O
</s>
<s>
GUIDO	B-Application
is	O
not	O
primarily	O
focused	O
on	O
conventional	O
music	O
notation	O
,	O
but	O
has	O
been	O
invented	O
as	O
an	O
open	O
format	O
,	O
capable	O
of	O
storing	O
musical	O
,	O
structural	O
,	O
and	O
notational	O
information	O
.	O
</s>
<s>
GUIDO	B-Application
Music	I-Application
Notation	I-Application
is	O
designed	O
as	O
a	O
flexible	O
and	O
easily	O
extensible	O
open	O
standard	O
.	O
</s>
<s>
Thus	O
,	O
GUIDO	B-Application
can	O
be	O
easily	O
adapted	O
and	O
customized	O
to	O
cover	O
specialized	O
musical	O
concepts	O
as	O
might	O
be	O
required	O
in	O
the	O
context	O
of	O
research	O
projects	O
in	O
computational	O
musicology	O
.	O
</s>
<s>
More	O
importantly	O
,	O
GUIDO	B-Application
is	O
designed	O
in	O
a	O
way	O
that	O
when	O
using	O
such	O
custom	O
extensions	O
,	O
the	O
resulting	O
GUIDO	B-Application
data	O
can	O
still	O
be	O
processed	O
by	O
other	O
applications	O
that	O
support	O
GUIDO	B-Application
but	O
are	O
not	O
aware	O
of	O
the	O
custom	O
extensions	O
,	O
which	O
are	O
gracefully	O
ignored	O
.	O
</s>
<s>
This	O
design	O
also	O
greatly	O
facilitates	O
the	O
incremental	O
implementation	O
of	O
GUIDO	B-Application
support	O
in	O
music	O
software	O
,	O
which	O
can	O
speed	O
up	O
the	O
software	O
development	O
process	O
significantly	O
,	O
especially	O
for	O
research	O
software	O
and	O
prototypes	O
.	O
</s>
<s>
GUIDO	B-Application
introduces	O
the	O
main	O
concepts	O
of	O
the	O
GUIDO	B-Application
design	O
and	O
allows	O
to	O
represent	O
much	O
of	O
the	O
conventional	O
music	O
of	O
today	O
.	O
</s>
<s>
Advanced	O
GUIDO	B-Application
extends	O
Basic	O
GUIDO	B-Application
by	O
adding	O
exact	O
score-formatting	O
and	O
some	O
more	O
advanced	O
musical	O
concepts	O
.	O
</s>
<s>
Finally	O
,	O
Extended	O
GUIDO	B-Application
can	O
represent	O
user-defined	O
extensions	O
,	O
like	O
microtonal	O
information	O
or	O
user	O
defined	O
pitch	O
classes	O
.	O
</s>
<s>
Basic	O
GUIDO	B-Application
notation	O
is	O
similar	O
to	O
that	O
of	O
the	O
LilyPond	B-Application
input	O
format	O
.	O
</s>
<s>
Both	O
formats	O
are	O
to	O
some	O
extent	O
inspired	O
by	O
the	O
LaTeX	B-Application
format	O
for	O
typesetting	O
text	O
.	O
</s>
