<s>
Frescobaldi	B-Language
is	O
an	O
editor	O
for	O
LilyPond	B-Application
music	O
files	O
.	O
</s>
<s>
Frescobaldi	B-Language
is	O
free	B-Application
software	I-Application
,	O
freely	O
available	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
It	O
is	O
designed	O
to	O
run	O
on	O
all	O
major	O
operating	O
systems	O
(	O
Linux	B-Application
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
and	O
Microsoft	B-Application
Windows	I-Application
)	O
.	O
</s>
<s>
It	O
is	O
named	O
after	O
Girolamo	O
Frescobaldi	B-Language
,	O
an	O
Italian	O
composer	O
of	O
keyboard	O
music	O
in	O
the	O
late	O
Renaissance	O
and	O
early	O
Baroque	O
period	O
.	O
</s>
<s>
Frescobaldi	B-Language
is	O
written	O
in	O
Python	O
and	O
uses	O
PyQt	B-Language
for	O
its	O
user	O
interface	O
.	O
</s>
