pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2840-OSJ_abc_vol1.ps) >>/Users/jc/w/tmp/Tune-2840-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/ifdo.pugmarks.com/~seymour/ottawaslowjam/OSJ_abc_vol1/%99:IRISHROVER.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
Form_28402.log 929 Log file, useful mostly for debugging
Tune-2840-OSJ_abc_vol1.abc 499 ABC music file with the extracted tune(s)
Tune-2840-OSJ_abc_vol1.ps 34435 PostScript
Tune-2840-OSJ_abc_vol1.txt 499 Plain-text file with the extracted tune(s)
Tune-2840-get.log 5210 Log file, useful mostly for debugging
Tune-28408-Silver_Spear-D-32-2.abc 541 ABC music file with the extracted tune(s)
Tune-28408-Silver_Spear-D-32-2.txt 541 Plain-text file with the extracted tune(s)
Tune-28408-get.log 3657 Log file, useful mostly for debugging
These files should be available for 24 hours.