pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-30004-11142_Fal_La_La.ps) >>/Users/jc/w/tmp/Tune-30004-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ERM/11142_Fal_La_La.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_30004.log 261851 Log file, useful mostly for debugging
Tune-30004-11142_Fal_La_La.abc 600 ABC music file with the extracted tune(s)
Tune-30004-11142_Fal_La_La.ps 34637 PostScript
Tune-30004-11142_Fal_La_La.txt 600 Plain-text file with the extracted tune(s)
Tune-30004-get.log 4459 Log file, useful mostly for debugging
These files should be available for 24 hours.