pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-51059-4223_Miss_Rosss_Strathspey.ps) >>/Users/jc/w/tmp/Tune-51059-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CSR/4223_Miss_Rosss_Strathspey.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_51059.log 145386 Log file, useful mostly for debugging
Tune-51059-4223_Miss_Rosss_Strathspey.abc 883 ABC music file with the extracted tune(s)
Tune-51059-4223_Miss_Rosss_Strathspey.ps 39323 PostScript
Tune-51059-4223_Miss_Rosss_Strathspey.txt 883 Plain-text file with the extracted tune(s)
Tune-51059-get.log 4802 Log file, useful mostly for debugging
These files should be available for 24 hours.