pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6157-CPC-abc2.ps) >>/Users/jc/w/tmp/Tune-6157-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JamesOswald/CPC-abc2.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
Tune-6157-CPC-abc2.abc 497 ABC music file with the extracted tune(s)
Tune-6157-CPC-abc2.ps 35148 PostScript
Tune-6157-CPC-abc2.txt 497 Plain-text file with the extracted tune(s)
Tune-6157-get.log 4246 Log file, useful mostly for debugging
Tune-61572-get.log 4871 Log file, useful mostly for debugging
Tune-61573-get.log 4288 Log file, useful mostly for debugging
Tune-61576-get.log 4524 Log file, useful mostly for debugging
Tune-61577-get.log 9800 Log file, useful mostly for debugging
Tune-61577-taztunes.abc 515 ABC music file with the extracted tune(s)
Tune-61577-taztunes.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-61577-taztunes.ps 35851 PostScript
Tune-61577-taztunes.txt 515 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.