pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8409-Jack_of_All_Trades.ps) >>/Users/jc/w/tmp/Tune-8409-get.log 2>&1" returned status 256
http://www.tunearch.org/wiki/Jack_of_All_Trades

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Tune-8409-Jack_of_All_Trades.abc 274 ABC music file with the extracted tune(s)
Tune-8409-Jack_of_All_Trades.ps 34551 PostScript
Tune-8409-Jack_of_All_Trades.txt 274 Plain-text file with the extracted tune(s)
Tune-8409-get.log 4345 Log file, useful mostly for debugging
Tune-84091-5574.abc 272 ABC music file with the extracted tune(s)
Tune-84091-5574.ps 34688 PostScript
Tune-84091-5574.txt 272 Plain-text file with the extracted tune(s)
Tune-84091-get.log 8478 Log file, useful mostly for debugging
Tune-84093-get.log 5349 Log file, useful mostly for debugging
These files should be available for 24 hours.