pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5453-342_Mr_Jaffreys_Junr_Strathspey.ps) >>/Users/jc/w/tmp/Tune-5453-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/WilliamChristie/342_Mr_Jaffreys_Junr_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
Tune-5453-342_Mr_Jaffreys_Junr_Strathspey.abc 1031 ABC music file with the extracted tune(s)
Tune-5453-342_Mr_Jaffreys_Junr_Strathspey.ps 39274 PostScript
Tune-5453-342_Mr_Jaffreys_Junr_Strathspey.txt 1031 Plain-text file with the extracted tune(s)
Tune-5453-get.log 4996 Log file, useful mostly for debugging
Tune-54530-get.log 1388 Log file, useful mostly for debugging
These files should be available for 24 hours.