pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-80435-30583_Wonder_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-80435-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP3/30583_Wonder_Hornpipe.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_80435.log 709162 Log file, useful mostly for debugging
Form_80435.log 827 Log file, useful mostly for debugging
Tune-80435-30583_Wonder_Hornpipe.abc 749 ABC music file with the extracted tune(s)
Tune-80435-30583_Wonder_Hornpipe.ps 35522 PostScript
Tune-80435-30583_Wonder_Hornpipe.txt 749 Plain-text file with the extracted tune(s)
Tune-80435-get.log 10566 Log file, useful mostly for debugging
These files should be available for 24 hours.