pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-89219-60thSummerSchool.ps) >>/Users/jc/w/tmp/Tune-89219-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/MAJ/reel/60thSummerSchool.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
Tune-89219-60thSummerSchool.abc 343 ABC music file with the extracted tune(s)
Tune-89219-60thSummerSchool.ps 38061 PostScript
Tune-89219-60thSummerSchool.txt 343 Plain-text file with the extracted tune(s)
Tune-89219-get.log 4462 Log file, useful mostly for debugging
These files should be available for 24 hours.