pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6008-071_Comin_Through_the_Broom.ps) >>/Users/jc/w/tmp/Tune-6008-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Chappell/071_Comin_Through_the_Broom.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_6008.log 264661 Log file, useful mostly for debugging
Coll_60081.log 266066 Log file, useful mostly for debugging
Coll_60084.log 264661 Log file, useful mostly for debugging
Coll_60086.log 268876 Log file, useful mostly for debugging
Tune-6008-071_Comin_Through_the_Broom.abc 589 ABC music file with the extracted tune(s)
Tune-6008-071_Comin_Through_the_Broom.ps 34545 PostScript
Tune-6008-071_Comin_Through_the_Broom.txt 589 Plain-text file with the extracted tune(s)
Tune-6008-get.log 6439 Log file, useful mostly for debugging
Tune-60080-get.log 7395 Log file, useful mostly for debugging
Tune-60084-get.log 1388 Log file, useful mostly for debugging
Tune-60088-get.log 4722 Log file, useful mostly for debugging
These files should be available for 24 hours.