pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6606-Vals_Josefins.ps) >>/Users/jc/w/tmp/Tune-6606-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/session/waltz/Vals_Josefins.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Form_66061.log 887 Log file, useful mostly for debugging
Form_66069.log 918 Log file, useful mostly for debugging
Tune-6606-Vals_Josefins.abc 1773 ABC music file with the extracted tune(s)
Tune-6606-Vals_Josefins.ps 43644 PostScript
Tune-6606-Vals_Josefins.txt 1773 Plain-text file with the extracted tune(s)
Tune-6606-get.log 7212 Log file, useful mostly for debugging
Tune-66061-get.log 4035 Log file, useful mostly for debugging
Tune-66067-get.log 16809 Log file, useful mostly for debugging
These files should be available for 24 hours.