pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6548-091_Mid_Lothian.ps) >>/Users/jc/w/tmp/Tune-6548-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/WilliamCampbell/10thBook/091_Mid_Lothian.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_65480.log 288545 Log file, useful mostly for debugging
Coll_65486.log 267552 Log file, useful mostly for debugging
Coll_65487.log 563040 Log file, useful mostly for debugging
Tune-6548-091_Mid_Lothian.abc 1321 ABC music file with the extracted tune(s)
Tune-6548-091_Mid_Lothian.ps 39122 PostScript
Tune-6548-091_Mid_Lothian.txt 1321 Plain-text file with the extracted tune(s)
Tune-6548-get.log 4633 Log file, useful mostly for debugging
Tune-65481-get.log 1363 Log file, useful mostly for debugging
Tune-65482-get.log 5950 Log file, useful mostly for debugging
Tune-65483-get.log 4294 Log file, useful mostly for debugging
Tune-65484-get.log 5624 Log file, useful mostly for debugging
Tune-65485-get.log 3846 Log file, useful mostly for debugging
Tune-65486-24CountryDances_1791_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-65486-24CountryDances_1791_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-65486-get.log 4942 Log file, useful mostly for debugging
These files should be available for 24 hours.