pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9402-21092_MarshallSett_tune_5.ps) >>/Users/jc/w/tmp/Tune-9402-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP2/21092_MarshallSett_tune_5.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-9402-21092_MarshallSett_tune_5.abc 1003 ABC music file with the extracted tune(s)
Tune-9402-21092_MarshallSett_tune_5.ps 37020 PostScript
Tune-9402-21092_MarshallSett_tune_5.txt 1003 Plain-text file with the extracted tune(s)
Tune-9402-get.log 4962 Log file, useful mostly for debugging
Tune-94020-10341_Cinderella_Waltz.abc 1130 ABC music file with the extracted tune(s)
Tune-94020-10341_Cinderella_Waltz.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-94020-10341_Cinderella_Waltz.ps 39147 PostScript
Tune-94020-10341_Cinderella_Waltz.txt 1130 Plain-text file with the extracted tune(s)
Tune-94020-get.log 7953 Log file, useful mostly for debugging
Tune-94021-get.log 5752 Log file, useful mostly for debugging
Tune-94024-get.log 112999 Log file, useful mostly for debugging
Tune-94028-get.log 5516 Log file, useful mostly for debugging
These files should be available for 24 hours.