pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-38841-0763-NellFlahertys.ps) >>/Users/jc/w/tmp/Tune-38841-get.log 2>&1" returned status 256
http://www.oldmusicproject.com/AA2ABC/0701-1200/Abc-0701-0800/0763-NellFlahertys.abc

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-38841-0763-NellFlahertys.abc 450 ABC music file with the extracted tune(s)
Tune-38841-0763-NellFlahertys.ps 35303 PostScript
Tune-38841-0763-NellFlahertys.txt 450 Plain-text file with the extracted tune(s)
Tune-38841-get.log 7506 Log file, useful mostly for debugging
These files should be available for 24 hours.