pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6077-Vals03.ps) >>/Users/jc/w/tmp/Tune-6077-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/session/waltz/Vals03.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-6077-Vals03.abc 2210 ABC music file with the extracted tune(s)
Tune-6077-Vals03.ps 52311 PostScript
Tune-6077-Vals03.txt 2210 Plain-text file with the extracted tune(s)
Tune-6077-get.log 4277 Log file, useful mostly for debugging
These files should be available for 24 hours.