pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7987-57_RantingHighlandman.ps) >>/Users/jc/w/tmp/Tune-7987-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1791/Thompson/57_RantingHighlandman.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_79872.log 281520 Log file, useful mostly for debugging
Coll_79874.log 292760 Log file, useful mostly for debugging
Coll_79877.log 288545 Log file, useful mostly for debugging
Tune-7987-57_RantingHighlandman.abc 951 ABC music file with the extracted tune(s)
Tune-7987-57_RantingHighlandman.ps 34493 PostScript
Tune-7987-57_RantingHighlandman.txt 951 Plain-text file with the extracted tune(s)
Tune-7987-get.log 10514 Log file, useful mostly for debugging
Tune-79872-get.log 5513 Log file, useful mostly for debugging
Tune-79873-24CountryDances_1800_Preston.abc 173 ABC music file with the extracted tune(s)
Tune-79873-24CountryDances_1800_Preston.ps 6 PostScript
Tune-79873-24CountryDances_1800_Preston.txt 173 Plain-text file with the extracted tune(s)
Tune-79873-get.log 4421 Log file, useful mostly for debugging
These files should be available for 24 hours.