pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-97848-BillyCrystalsFrolics.ps) >>/Users/jc/w/tmp/Tune-97848-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/irtrad-l/BillyCrystalsFrolics.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Form_97848.log 933 Log file, useful mostly for debugging
Tune-97848-BillyCrystalsFrolics.abc 616 ABC music file with the extracted tune(s)
Tune-97848-BillyCrystalsFrolics.ps 35437 PostScript
Tune-97848-BillyCrystalsFrolics.txt 616 Plain-text file with the extracted tune(s)
Tune-97848-get.log 5219 Log file, useful mostly for debugging
These files should be available for 24 hours.