pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-23490-hunter-street-session-list.ps) >>/Users/jc/w/tmp/Tune-23490-get.log 2>&1" returned status 256
http://www.kenb.ca/tunes/abc/hunter-street-session-list.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_23490.log 755 Log file, useful mostly for debugging
Tune-23490-get.log 8934 Log file, useful mostly for debugging
Tune-23490-hunter-street-session-list.abc 293 ABC music file with the extracted tune(s)
Tune-23490-hunter-street-session-list.ps 36746 PostScript
Tune-23490-hunter-street-session-list.txt 293 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.