pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-71483-1352_Flee_over_the_Water.ps) >>/Users/jc/w/tmp/Tune-71483-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CSR/1352_Flee_over_the_Water.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Form_71483.log 1674 Log file, useful mostly for debugging
Tune-71483-1352_Flee_over_the_Water.abc 823 ABC music file with the extracted tune(s)
Tune-71483-1352_Flee_over_the_Water.ps 39302 PostScript
Tune-71483-1352_Flee_over_the_Water.txt 823 Plain-text file with the extracted tune(s)
Tune-71483-get.log 4732 Log file, useful mostly for debugging
These files should be available for 24 hours.