pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6820-Irish_Washerwoman_4_part_setting_1.ps) >>/Users/jc/w/tmp/Tune-6820-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/kirby98.fsnet.co.uk/ir/Irish_Washerwoman_4_part_setting_1.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
Coll_6820.log 266779 Log file, useful mostly for debugging
Coll_68201.log 261219 Log file, useful mostly for debugging
Coll_68209.log 130798 Log file, useful mostly for debugging
Find_68205.log 1505 Log file, useful mostly for debugging
Form_68203.log 750 Log file, useful mostly for debugging
Form_68206.log 742 Log file, useful mostly for debugging
Form_68209.log 768 Log file, useful mostly for debugging
Tune-6820-Irish_Washerwoman_4_part_setting_1.abc 465 ABC music file with the extracted tune(s)
Tune-6820-Irish_Washerwoman_4_part_setting_1.ps 41680 PostScript
Tune-6820-Irish_Washerwoman_4_part_setting_1.txt 465 Plain-text file with the extracted tune(s)
Tune-6820-get.log 4993 Log file, useful mostly for debugging
Tune-68200-get.log 39313 Log file, useful mostly for debugging
Tune-68204-Knightswood_Ceilidh_CYMRU_1.abc 1406 ABC music file with the extracted tune(s)
Tune-68204-Knightswood_Ceilidh_CYMRU_1.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-68204-Knightswood_Ceilidh_CYMRU_1.ps 55978 PostScript
Tune-68204-Knightswood_Ceilidh_CYMRU_1.txt 1406 Plain-text file with the extracted tune(s)
Tune-68204-get.log 8639 Log file, useful mostly for debugging
Tune-68205-get.log 3695 Log file, useful mostly for debugging
Tune-68206-get.log 3024 Log file, useful mostly for debugging
Tune-68208-get.log 10848 Log file, useful mostly for debugging
These files should be available for 24 hours.