pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-54592-081-General_Garibaldis_Reel-32.ps) >>/Users/jc/w/tmp/Tune-54592-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Graded2/081-General_Garibaldis_Reel-32.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-54592-081-General_Garibaldis_Reel-32.abc 563 ABC music file with the extracted tune(s)
Tune-54592-081-General_Garibaldis_Reel-32.ps 36177 PostScript
Tune-54592-081-General_Garibaldis_Reel-32.txt 563 Plain-text file with the extracted tune(s)
Tune-54592-get.log 5349 Log file, useful mostly for debugging
These files should be available for 24 hours.