i don't know how covert midi to wav .

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Request for Question Clarification by tlspiegel-ga on 22 Jan 2005 09:48 PST

You'll need to download and install a MIDI to WAV converter.  

Many of them have a free-trial period to try before you buy, but I
can't guarantee it will have all the features, and the time period may
vary from how  many files you are allowed to download to a certain
number of days allowed to use the program.

So, my question is:  please indicate how much you are willing to pay? 
The freeware I know about isn't reliable/nor easy to use.

http://www.midi2wav.com/

Both are possible, but the MIDI files must first be converted to WAV
files. The resulting WAV files can then be burned to an audio CD using
any CD recording program, or converted to MP3 files. Remember that WAV
files are quite large, so after you have burned your CD or made your
MP3 files, delete the WAV files to save space on your hard drive.

Midi2Wav Recorder (ver 3.6) is a program with the ability to convert
MIDI to WAV files and MIDI to MP3. The conversion is as easy as one
touch of a button. Using it you can:


 
 Convert MIDI files to Wav and MP3 files 
 Change the Tempo Ratio, which determines the tempo by multiplying it
by a specified rate (per cent)
 Record to Wave your singing into microphone with MIDI playback accompaniment  
 Control the record level, register clipping and, accordingly, 
control the recording quality 
 Open and play Wav and MIDI files 
 View the set of instruments in the MIDI song, 
their volume and pan, and change all these attributes 
 Convert a number of MIDI files using the batch converting feature