<s>
Music	B-Language
Markup	I-Language
Language	I-Language
(	O
MML	O
)	O
was	O
an	O
early	O
application	O
of	O
XML	B-Protocol
to	O
describe	O
music	O
objects	O
and	O
events	O
.	O
</s>
<s>
These	O
features	O
included	O
the	O
use	O
of	O
XML	B-Protocol
as	O
a	O
foundation	O
;	O
the	O
ability	O
to	O
describe	O
a	O
musical	O
object	O
or	O
event	O
comprehensively	O
(	O
as	O
opposed	O
to	O
merely	O
providing	O
a	O
machine-readable	O
format	O
for	O
a	O
traditional	O
musical	O
score	O
,	O
or	O
for	O
a	O
determinate	O
sound	O
recording	O
of	O
one	O
performance	O
)	O
;	O
and	O
the	O
division	O
of	O
this	O
comprehensive	O
information	O
into	O
modules	O
(	O
often	O
termed	O
layers	O
in	O
later	O
work	O
)	O
,	O
with	O
separate	O
modules	O
for	O
metadata	O
,	O
lyrics	O
,	O
notation	O
,	O
sound	O
,	O
and	O
performance	O
.	O
</s>
<s>
MML	O
makes	O
it	O
possible	O
to	O
state	O
relationships	O
among	O
written	O
syllables	B-General_Concept
,	O
phonemes	B-Language
,	O
notes	O
in	O
traditional	O
musical	O
notation	O
,	O
pitch	O
,	O
and	O
rhythm	O
in	O
a	O
flexible	O
and	O
extensible	O
way	O
.	O
</s>
