pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7384-visitirl.ps) >>/Users/jc/w/tmp/Tune-7384-get.log 2>&1" returned status 256
http://speelboek.eltjo.org/visitirl.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_73840.log 261969 Log file, useful mostly for debugging
Coll_73844.log 1029121 Log file, useful mostly for debugging
Coll_73845.log 146437 Log file, useful mostly for debugging
Form_73841.log 1720 Log file, useful mostly for debugging
Form_73844.log 861 Log file, useful mostly for debugging
Tune-7384-get.log 4111 Log file, useful mostly for debugging
Tune-7384-visitirl.abc 430 ABC music file with the extracted tune(s)
Tune-7384-visitirl.ps 34917 PostScript
Tune-7384-visitirl.txt 430 Plain-text file with the extracted tune(s)
Tune-73840-get.log 1641 Log file, useful mostly for debugging
Tune-73847-get.log 8538 Log file, useful mostly for debugging
These files should be available for 24 hours.