pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-10590-hunter-street-session-list.ps) >>/Users/jc/w/tmp/Tune-10590-get.log 2>&1" returned status 256
http://www.ken-brown.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
Tune-10590-get.log 6486 Log file, useful mostly for debugging
Tune-10590-hunter-street-session-list.abc 228 ABC music file with the extracted tune(s)
Tune-10590-hunter-street-session-list.ps 33883 PostScript
Tune-10590-hunter-street-session-list.txt 228 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.