pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-39752-I-reel.ps) >>/Users/jc/w/tmp/Tune-39752-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/thisoldtractor.com/I-reel.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-39752-I-reel.abc 706 ABC music file with the extracted tune(s)
Tune-39752-I-reel.ps 39389 PostScript
Tune-39752-I-reel.txt 706 Plain-text file with the extracted tune(s)
Tune-39752-get.log 4202 Log file, useful mostly for debugging
These files should be available for 24 hours.