pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5399-RJ_Reels_48_104_RJ.ps) >>/Users/jc/w/tmp/Tune-5399-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/RJ/sets/RJ_Reels_48_104_RJ.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
Coll_5399.log 68504 Log file, useful mostly for debugging
Coll_53999.log 253509 Log file, useful mostly for debugging
Tune-5399-RJ_Reels_48_104_RJ.abc 486 ABC music file with the extracted tune(s)
Tune-5399-RJ_Reels_48_104_RJ.ps 35482 PostScript
Tune-5399-RJ_Reels_48_104_RJ.txt 486 Plain-text file with the extracted tune(s)
Tune-5399-get.log 22366 Log file, useful mostly for debugging
These files should be available for 24 hours.