pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8968-2123-Hes_aye_Kissing_me.ps) >>/Users/jc/w/tmp/Tune-8968-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR/2123-Hes_aye_Kissing_me.abc1.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Form_8968.log 874 Log file, useful mostly for debugging
Tune-8968-2123-Hes_aye_Kissing_me.abc 1060 ABC music file with the extracted tune(s)
Tune-8968-2123-Hes_aye_Kissing_me.ps 40459 PostScript
Tune-8968-2123-Hes_aye_Kissing_me.txt 1060 Plain-text file with the extracted tune(s)
Tune-8968-get.log 4734 Log file, useful mostly for debugging
Tune-89686-get.log 9249 Log file, useful mostly for debugging
These files should be available for 24 hours.