pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-67120-B17.ps) >>/Users/jc/w/tmp/Tune-67120-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/AnselmLingnau/sets/B17.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_67120.log 259829 Log file, useful mostly for debugging
Tune-67120-B17.abc 596 ABC music file with the extracted tune(s)
Tune-67120-B17.ps 39048 PostScript
Tune-67120-B17.txt 596 Plain-text file with the extracted tune(s)
Tune-67120-get.log 6891 Log file, useful mostly for debugging
These files should be available for 24 hours.