<s>
Power	B-Application
Tab	I-Application
Editor	I-Application
is	O
a	O
free	O
tablature	O
authoring	O
tool	O
created	O
by	O
Brad	O
Larsen	O
for	O
Windows	B-Application
.	O
</s>
<s>
The	O
Power	B-Application
Tab	I-Application
Editor	I-Application
is	O
able	O
to	O
import	O
MIDI	O
tracks	O
,	O
and	O
can	O
export	O
to	O
ASCII	B-Protocol
Text	I-Protocol
,	O
HTML	B-Language
,	O
and	O
MIDI	O
formats	O
.	O
</s>
<s>
In	O
addition	O
,	O
individual	O
sections	O
may	O
be	O
exported	O
as	O
bitmap	B-Device
files	I-Device
.	O
</s>
<s>
Each	O
Power	B-Application
Tab	I-Application
file	O
contains	O
two	O
scores	O
:	O
guitar	O
and	O
bass	O
.	O
</s>
<s>
Only	O
one	O
score	O
needs	O
to	O
be	O
used	O
for	O
a	O
Power	B-Application
Tab	I-Application
file	O
.	O
</s>
<s>
For	O
proper	O
playback	O
,	O
it	O
is	O
required	O
that	O
the	O
time	O
signatures	O
and	O
tempo	B-Application
markers	O
be	O
consistent	O
between	O
the	O
two	O
scores	O
.	O
</s>
<s>
In	O
2006	O
,	O
the	O
author	O
released	O
an	O
open-source	O
wxWidgets	B-Language
based	O
program	O
named	O
the	O
PT	O
Parser	O
.	O
</s>
<s>
This	O
code	O
contains	O
useful	O
information	O
for	O
developers	O
who	O
want	O
to	O
write	O
software	O
that	O
can	O
convert	O
,	O
view	O
,	O
play	O
,	O
or	O
edit	O
Power	B-Application
Tab	I-Application
(	O
.ptb	O
)	O
files	O
.	O
</s>
<s>
There	O
is	O
a	O
project	O
on	O
GitHub	O
since	O
July	O
2014	O
to	O
develop	O
a	O
new	O
version	O
of	O
Power	B-Application
Tab	I-Application
from	O
the	O
scratch	O
,	O
called	O
PowerTab	B-Application
2.0	O
.	O
</s>
<s>
It	O
's	O
a	O
cross-platform	O
(	O
Windows	B-Application
,	O
Linux	O
,	O
OS	O
X	O
)	O
open-source	O
solution	O
.	O
</s>
<s>
This	O
new	O
version	O
can	O
read	O
the	O
old	O
PowerTab	B-Application
1.7	O
files	O
as	O
well	O
as	O
Guitar	B-Language
Pro	I-Language
files	O
.	O
</s>
<s>
time	O
signature	O
,	O
tempo	B-Application
markers	O
,	O
etc	O
.	O
</s>
<s>
These	O
buttons	O
can	O
be	O
used	O
in	O
either	O
score	O
and	O
the	O
guitar	O
and	O
bass	O
scores	O
are	O
not	O
restricted	O
to	O
the	O
clef	B-Application
,	O
either	O
.	O
</s>
<s>
It	O
is	O
possible	O
to	O
switch	O
between	O
treble	O
and	O
bass	O
clefs	B-Application
.	O
</s>
<s>
Power	B-Application
Tab	I-Application
also	O
features	O
several	O
tools	O
to	O
enhance	O
appearance	O
,	O
accuracy	O
and	O
playback	O
for	O
the	O
transcribed	O
music	O
;	O
</s>
<s>
Power	B-Application
Tab	I-Application
Editor	I-Application
can	O
only	O
utilize	O
up	O
to	O
a	O
maximum	O
of	O
seven	O
guitars	O
across	O
both	O
scores	O
(	O
i.e.	O
</s>
<s>
When	O
using	O
high	O
and	O
low	O
melodies	O
,	O
redundant	B-General_Concept
rests	O
that	O
are	O
left	O
out	O
(	O
as	O
in	O
regular	O
notation	O
)	O
are	O
counted	O
as	O
errors	O
.	O
</s>
<s>
The	O
tremolo	O
,	O
reverb	O
and	O
chorus	O
effects	O
only	O
work	O
on	O
computers	O
where	O
their	O
MIDI	O
drivers	B-Application
and	O
hardware	B-Architecture
support	O
it	O
.	O
</s>
<s>
Detailed	O
bugs	O
are	O
listed	O
in	O
the	O
Power	B-Application
Tab	I-Application
.	O
</s>
<s>
Based	O
on	O
allegations	O
of	O
copyright	O
violations	O
,	O
the	O
Music	O
Publishers	O
Association	O
has	O
encouraged	O
its	O
members	O
to	O
seek	O
legal	O
action	O
against	O
those	O
sites	O
which	O
distribute	O
Power	B-Application
Tab	I-Application
files	O
of	O
commercial	O
artists	O
.	O
</s>
<s>
The	O
creator	O
of	O
the	O
Power	B-Application
Tab	I-Application
Editor	I-Application
,	O
Brad	O
Larsen	O
,	O
has	O
stated	O
on	O
his	O
website	O
that	O
the	O
program	O
is	O
not	O
directly	O
affiliated	O
with	O
these	O
sites	O
.	O
</s>
<s>
However	O
,	O
the	O
MPA	O
working	O
with	O
the	O
founders	O
of	O
powertabs.net	O
opened	O
a	O
legal	O
powertabs	B-Application
site	O
called	O
.	O
</s>
