pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-55090-582_Oyster_River.ps) >>/Users/jc/w/tmp/Tune-55090-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnTreat/GftF/582_Oyster_River.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_55090.log 527917 Log file, useful mostly for debugging
Tune-55090-582_Oyster_River.abc 1085 ABC music file with the extracted tune(s)
Tune-55090-582_Oyster_River.ps 35291 PostScript
Tune-55090-582_Oyster_River.txt 1085 Plain-text file with the extracted tune(s)
Tune-55090-get.log 4585 Log file, useful mostly for debugging
These files should be available for 24 hours.