pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-29408-2253_Mrs_Mosmans_Strathspey.ps) >>/Users/jc/w/tmp/Tune-29408-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CSR/2253_Mrs_Mosmans_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_29408.log 270281 Log file, useful mostly for debugging
Tune-29408-2253_Mrs_Mosmans_Strathspey.abc 926 ABC music file with the extracted tune(s)
Tune-29408-2253_Mrs_Mosmans_Strathspey.ps 38846 PostScript
Tune-29408-2253_Mrs_Mosmans_Strathspey.txt 926 Plain-text file with the extracted tune(s)
Tune-29408-get.log 16110 Log file, useful mostly for debugging
These files should be available for 24 hours.