<s>
ConcertWare	B-Application
is	O
a	O
music	O
composition	O
computer	B-Application
program	I-Application
made	O
by	O
Chad	O
Mitchell	O
of	O
Great	O
Wave	O
Software	O
for	O
the	O
classic	B-Application
Mac	I-Application
OS	I-Application
in	O
1984	O
.	O
</s>
<s>
It	O
was	O
one	O
of	O
the	O
first	O
music	O
programs	O
for	O
the	O
Apple	B-Device
Macintosh	I-Device
,	O
and	O
its	O
first	O
version	O
could	O
play	O
four	O
voices	O
using	O
the	O
Mac	B-Device
's	O
build-in	O
speakers	O
.	O
</s>
<s>
ConcertWare+	O
was	O
available	O
in	O
both	O
a	O
MIDI	O
version	O
,	O
which	O
supported	O
MIDI	O
keyboards	O
,	O
and	O
a	O
non-MIDI	O
version	O
,	O
and	O
it	O
included	O
three	O
tools	O
:	O
Music	O
Player	O
and	O
Music	O
Writer	O
(	O
named	O
MIDI	O
Player	O
and	O
MIDI	O
Writer	O
for	O
the	O
MIDI	O
version	O
)	O
,	O
and	O
InstrumentMaker	O
,	O
which	O
allowed	O
users	O
to	O
create	O
software	O
instruments	O
with	O
by	O
editing	O
their	O
"	O
waveform	O
,	O
envelope	O
,	O
and	O
vibrato	O
"	O
.	O
</s>
<s>
Software	O
version	O
of	O
Concertware	B-Application
1.5	O
was	O
available	O
for	O
both	O
Mac	B-Device
and	O
Windows	O
.	O
</s>
<s>
Music	O
discontinued	O
support	O
for	O
all	O
Macintosh	B-Device
products	O
and	O
by	O
2001	O
the	O
company	O
website	O
was	O
no	O
longer	O
in	O
service	O
.	O
</s>
<s>
In	O
1986	O
,	O
MacWorld	O
's	O
Stephen	O
Levy	O
wrote	O
that	O
ConcertWare	B-Application
"[passed]	O
the	O
Jaw	O
Drop	O
Test	O
"	O
for	O
its	O
Music	O
Player	O
component	O
's	O
visual	O
depictions	O
of	O
MIDI	O
instruments	O
as	O
they	O
played	O
.	O
</s>
<s>
Reviewing	O
version	O
1.5	O
,	O
MacUser	O
magazine	O
's	O
Christopher	O
Breen	O
called	O
ConcertWare	B-Application
"	O
one	O
of	O
 [ the ] 	O
early	O
pioneers	O
"	O
of	O
music	O
notation	O
software	O
,	O
but	O
criticized	O
its	O
stagnation	O
,	O
stating	O
that	O
the	O
program	O
would	O
only	O
be	O
adequate	O
for	O
"	O
entry-level	O
musicians	O
and	O
hobbyists	O
"	O
.	O
</s>
