pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9577-hnr8.ps) >>/Users/jc/w/tmp/Tune-9577-get.log 2>&1" returned status 256
http://www.norbeck.nu/abc/i/hnr8.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_95774.log 67964 Log file, useful mostly for debugging
Form_95777.log 760 Log file, useful mostly for debugging
Form_95778.log 747 Log file, useful mostly for debugging
Tune-9577-get.log 7454 Log file, useful mostly for debugging
Tune-9577-hnr8.abc 284 ABC music file with the extracted tune(s)
Tune-9577-hnr8.ps 35862 PostScript
Tune-9577-hnr8.txt 284 Plain-text file with the extracted tune(s)
Tune-95770-get.log 2783 Log file, useful mostly for debugging
Tune-95771-get.log 2967 Log file, useful mostly for debugging
Tune-95776-get.log 3457 Log file, useful mostly for debugging
Tune-95777-get.log 6144 Log file, useful mostly for debugging
These files should be available for 24 hours.