pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-61437-Kipera-A-36-4.ps) >>/Users/jc/w/tmp/Tune-61437-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/session/Oivan_Ilo/Kipera/Kipera-A-36-4.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-61437-Kipera-A-36-4.abc 670 ABC music file with the extracted tune(s)
Tune-61437-Kipera-A-36-4.ps 37125 PostScript
Tune-61437-Kipera-A-36-4.txt 670 Plain-text file with the extracted tune(s)
Tune-61437-get.log 5962 Log file, useful mostly for debugging
These files should be available for 24 hours.