<s>
The	O
Miracle	B-Application
Piano	I-Application
Teaching	I-Application
System	I-Application
is	O
educational	B-Application
software	I-Application
which	O
uses	O
a	O
MIDI	O
keyboard	O
to	O
teach	O
how	O
to	O
play	O
the	O
piano	O
.	O
</s>
<s>
It	O
was	O
published	O
in	O
1990	O
by	O
The	O
Software	O
Toolworks	O
for	O
the	O
Nintendo	O
Entertainment	O
System	O
,	O
Super	B-Application
NES	I-Application
,	O
Macintosh	B-Device
,	O
Amiga	B-Device
,	O
Sega	B-Operating_System
Genesis	I-Operating_System
,	O
and	O
MS-DOS	B-Application
compatible	O
operating	O
systems	O
.	O
</s>
<s>
The	O
Miracle	B-Application
Piano	I-Application
Teaching	I-Application
System	I-Application
consists	O
of	O
a	O
keyboard	O
,	O
connecting	O
cables	O
,	O
power	O
supply	O
,	O
soft	O
foot	O
pedals	O
,	O
and	O
software	O
.	O
</s>
<s>
The	O
software	O
comes	O
either	O
on	O
3.5	B-Device
"	I-Device
floppy	I-Device
disks	I-Device
for	O
personal	B-Device
computers	I-Device
or	O
on	O
cartridges	O
for	O
video	B-Device
game	I-Device
consoles	I-Device
.	O
</s>
<s>
With	O
the	O
exception	O
of	O
the	O
metronome	O
that	O
is	O
used	O
in	O
the	O
Miracle	O
system	O
's	O
lessons	O
,	O
the	O
Miracle	O
system	O
does	O
not	O
ever	O
generate	O
sounds	O
through	O
the	O
video	B-Device
game	I-Device
console	I-Device
hardware	O
.	O
</s>
<s>
Instead	O
of	O
using	O
the	O
traditional	O
NES	O
controller	O
,	O
the	O
piano	O
becomes	O
the	O
controller	O
as	O
players	O
aim	O
at	O
targets	O
in	O
order	O
to	O
perfect	O
their	O
music	B-Application
skills	O
.	O
</s>
<s>
In	O
the	O
Ripchord	O
game	O
,	O
players	O
must	O
press	O
the	O
correct	O
combination	O
of	O
keys	O
for	O
a	O
chord	O
to	O
land	O
paratroopers	B-Application
onto	O
a	O
target	O
.	O
</s>
