pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-93073-CBTunes.ps) >>/Users/jc/w/tmp/Tune-93073-get.log 2>&1" returned status 256
http://www4.ncsu.edu/~pfackler/Music/CBTunes.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_93073.log 832 Log file, useful mostly for debugging
Tune-93073-CBTunes.abc 491 ABC music file with the extracted tune(s)
Tune-93073-CBTunes.ps 36007 PostScript
Tune-93073-CBTunes.txt 491 Plain-text file with the extracted tune(s)
Tune-93073-get.log 4210 Log file, useful mostly for debugging
These files should be available for 24 hours.