pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1530-10072_Absence.ps) >>/Users/jc/w/tmp/Tune-1530-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP1/10072_Absence.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-1530-10072_Absence.abc 618 ABC music file with the extracted tune(s)
Tune-1530-10072_Absence.ps 33451 PostScript
Tune-1530-10072_Absence.txt 618 Plain-text file with the extracted tune(s)
Tune-1530-get.log 4629 Log file, useful mostly for debugging
Tune-15302-get.log 3196 Log file, useful mostly for debugging
Tune-15304-get.log 3062 Log file, useful mostly for debugging
Tune-15305-get.log 3220 Log file, useful mostly for debugging
These files should be available for 24 hours.