pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6535-3324_Miss_Hopkins_Reel.ps) >>/Users/jc/w/tmp/Tune-6535-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR/3324_Miss_Hopkins_Reel.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_65354.log 1267830 Log file, useful mostly for debugging
Coll_65358.log 189616 Log file, useful mostly for debugging
Form_6535.log 1118 Log file, useful mostly for debugging
Tune-6535-3324_Miss_Hopkins_Reel.abc 710 ABC music file with the extracted tune(s)
Tune-6535-3324_Miss_Hopkins_Reel.ps 37104 PostScript
Tune-6535-3324_Miss_Hopkins_Reel.txt 710 Plain-text file with the extracted tune(s)
Tune-6535-get.log 8599 Log file, useful mostly for debugging
Tune-65354-get.log 7562 Log file, useful mostly for debugging
Tune-65359-get.log 4152 Log file, useful mostly for debugging
These files should be available for 24 hours.