pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3208-ChelseaSS.ps) >>/Users/jc/w/tmp/Tune-3208-get.log 2>&1" returned status 256
http://sessionite.com/docs/ChelseaSS.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
Find_32089.log 1603 Log file, useful mostly for debugging
Form_3208.log 822 Log file, useful mostly for debugging
Form_32081.log 853 Log file, useful mostly for debugging
Form_32085.log 862 Log file, useful mostly for debugging
Tune-3208-ChelseaSS.abc 319 ABC music file with the extracted tune(s)
Tune-3208-ChelseaSS.ps 35794 PostScript
Tune-3208-ChelseaSS.txt 319 Plain-text file with the extracted tune(s)
Tune-3208-get.log 4117 Log file, useful mostly for debugging
These files should be available for 24 hours.