pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-68155-090_Lazy_Sheep.ps) >>/Users/jc/w/tmp/Tune-68155-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EverydaySongBook/090_Lazy_Sheep.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-68155-090_Lazy_Sheep.abc 1007 ABC music file with the extracted tune(s)
Tune-68155-090_Lazy_Sheep.ps 34483 PostScript
Tune-68155-090_Lazy_Sheep.txt 1007 Plain-text file with the extracted tune(s)
Tune-68155-get.log 8598 Log file, useful mostly for debugging
These files should be available for 24 hours.