Is there a good tutorial avail? I lost all my music trying to create a cd without finalizing or mastering!!!! Panic took over and i rushed to undo without fully understanding what i did exactly. No "songs" show up in the song menu,..in addition,..i tried to record new music, and it isn't recording. Should / could I reset or could / should it be serviced?

Maybe try adjusting the MASTER level?

Good Luck

Other settings
Adjusting the master level You can adjust the level of the headphone and the stereo out by turning the MAIN VOLUME knob. The MAIN
VOLUME changes the analog signal level. This will also adjust the entire level of the MPC1000 digitally.
01. Press the [MODE] key and then the [PAD 10] (OTHER).
It switches to the OTHER mode.
02. Press the [F1] (GLOBAL) key.
The GLOBAL page will be displayed.
03. In the Master level field, set the level.
You will set the digital signal level, which will be sent out to the DA converter. The MPC1000 can output up to
32 sounds simultaneously. There is the great difference in the level when you play single sample and play 32
sounds. If you increase the value in the Mater level field, you can increase the entire level of the MPC1000 to
create more powerful sound with less noise. However, if you playback many sounds at the same time, the
level may be overloaded, which may cause distortion. If you decrease the value in the Master level field, you
can prevent distortion when you play many sounds at the same time. However, you cannot have a good
result in respect to the noise or punch of the sound. Set the appropriate value in the Master level field
depending on the application.

Run the RCA cables into TWO channels of the mixer. PAN those two in opposite directions to create stereo signals inti and out of the mixer.

Somehow proper save and shutdown was not done. You said the magic word PANIC... That is a deadly word in this situation. So first thing like for lost files on a PC is to look around... carefully. LIKELY the files are still there, just under a different folder or imbeded in another project. These systems do a pretty good job of not letting one clobber their files without confirming AS LONG AS proper shutdown procedure is used or power doesn't fail. The five tracks you might have forgotten to save...but the other should be there.

Several of my music programs seem to have a limit of around 2Gb for a track... this is inspite of having plenty of disk space... this seems to be a limit set by the program rather than the resources available.

That probably means it can't read the "Table Of Contents" which is essentially the directory of the disc.

MAKE SURE any disc you try to read has been "finalized".

Any disc that you have burned that can have stuff added is NOT finalized and may not work in certain CD players.

You should be able to purchase a new disk from Yamaha:

http://www.yamaha.com/yamahavgn/CDA/ContentDetail/Text_WithCatMenu_SC.html?CTID=410040&CNTYP=PRODUCT#top

Have your model and serial number available.

I can not record to hd and playback from my cd desk .

Often when recording music CD's you must "finalize" the CD so that the header info of the tracks are written and available to the player.

Go to www.korgpa.com/pa_root/pdf/pa800/Pa800-200UM-ENG.pdf.Page 226 has the audio output section.Page 19 has the rear panel explanation. Left/Right: These are the main stereo outputs. Use them to send the final stereo mix to an external device. Connect either to get a mono output. Set the output level with the Master Volume slider. 1/1: These are the sub outputs. Use these to create a stereo submix of just some tracks or to output just a single instrument to be mixed alone or to be processed or amplified externally. Not: the Master Volume slider has no effect on these outputs. Signal is sent dry with no effects applied. Hope this helps.

Look at http://www.korgsupport.co.uk/sitemap.cfm under Tutorials/ resetting and initialiising your product.I don't have a Korg but it sounds like you have set the transposition for the whole keyboard down a tone. Hope this helps.