pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-809-MrsParkers.ps) >>/Users/jc/w/tmp/Tune-809-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/demo/Tunes/MrsParkers.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
Coll_80914.log 0 Log file, useful mostly for debugging
Coll_80976.log 144698 Log file, useful mostly for debugging
Find_80938.log 0 Log file, useful mostly for debugging
Form_80906.log 911 Log file, useful mostly for debugging
Form_80914.log 906 Log file, useful mostly for debugging
Form_80958.log 0 Log file, useful mostly for debugging
Form_80975.log 0 Log file, useful mostly for debugging
Form_80979.log 994 Log file, useful mostly for debugging
Form_80985.log 896 Log file, useful mostly for debugging
Form_80990.log 932 Log file, useful mostly for debugging
Tune-809-ClarinetPolka.abc 706 ABC music file with the extracted tune(s)
Tune-809-ClarinetPolka.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-809-ClarinetPolka.ps 38201 PostScript
Tune-809-ClarinetPolka.txt 706 Plain-text file with the extracted tune(s)
Tune-809-MrsParkers.abc 408 ABC music file with the extracted tune(s)
Tune-809-MrsParkers.ps 35775 PostScript
Tune-809-MrsParkers.txt 408 Plain-text file with the extracted tune(s)
Tune-809-get.log 41332 Log file, useful mostly for debugging
Tune-80910-get.log 6455 Log file, useful mostly for debugging
Tune-80922-get.log 6178 Log file, useful mostly for debugging
Tune-80925-get.log 3824 Log file, useful mostly for debugging
Tune-80930-get.log 73776 Log file, useful mostly for debugging
Tune-80934-get.log 3965 Log file, useful mostly for debugging
Tune-80952-get.log 4592 Log file, useful mostly for debugging
Tune-80963-get.log 3331 Log file, useful mostly for debugging
Tune-80964-get.log 0 Log file, useful mostly for debugging
Tune-80992-get.log 3174 Log file, useful mostly for debugging
Tune-80994-get.log 0 Log file, useful mostly for debugging
Tune-80997-get.log 4519 Log file, useful mostly for debugging
These files should be available for 24 hours.