Using Microstudio v 2.013 I copied three Karaoke CDG songs onto a CD-R. I can see that the tracks exist on the disc using Explorer however, my Karaoke player does not recognize that the tracks are there.

1. Try writing the songs at a slower speed. Some Karaoke Player machines won't read a CDR disc written faster than 1x.
2. Make sure you are using CDR and not CDRW blank discs. CDRW will not read in a Karaoke Player.
3. Which CD-Recorder are you using?

Copied CDG does not play
 

I tried your suggestion. I changed the recording and writing speed both to 1X.

I was able to copy a Karaoke song to my hard drive but when I tried to write it to a CD-R from my hard drive I got the following message "Error 'Write' command failed on device 1:0:0 ASPI buffer is too big"

What does this mean? How do I fix this?

My CD Writer is PLEXTOR CD-R PX-W1210A 1.04