Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/JamesOswald/CPC/13111_the_Edinburgh_Scotch_Measure.abc/all"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-479-all.ps) >>/Users/jc/w/tmp/Tune-479-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JamesOswald/CPC/13111_the_Edinburgh_Scotch_Measure.abc/all

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_47929.log 680541 Log file, useful mostly for debugging
Coll_4798.log 116816 Log file, useful mostly for debugging
Coll_47993.log 124098 Log file, useful mostly for debugging
Tune-479-all.abc 186 ABC music file with the extracted tune(s)
Tune-479-all.ps 6 PostScript
Tune-479-all.txt 186 Plain-text file with the extracted tune(s)
Tune-479-get.log 4130 Log file, useful mostly for debugging
Tune-47902-all.abc 174 ABC music file with the extracted tune(s)
Tune-47902-all.pdf 2217 Portable Data Format
Tune-47902-all.ps 6 PostScript
Tune-47902-all.txt 174 Plain-text file with the extracted tune(s)
Tune-47902-get.log 4957 Log file, useful mostly for debugging
Tune-47910-all.abc 176 ABC music file with the extracted tune(s)
Tune-47910-all.ps 6 PostScript
Tune-47910-all.txt 176 Plain-text file with the extracted tune(s)
Tune-47910-get.log 4020 Log file, useful mostly for debugging
Tune-47924-015_Wind-Baby.abc 921 ABC music file with the extracted tune(s)
Tune-47924-015_Wind-Baby.pdf 16521 Portable Data Format
Tune-47924-015_Wind-Baby.ps 34787 PostScript
Tune-47924-015_Wind-Baby.txt 921 Plain-text file with the extracted tune(s)
Tune-47924-get.log 5475 Log file, useful mostly for debugging
Tune-47930-all.abc 174 ABC music file with the extracted tune(s)
Tune-47930-all.txt 174 Plain-text file with the extracted tune(s)
Tune-47930-get.log 3224 Log file, useful mostly for debugging
Tune-47936-EverydaySongBook2.abc 265837 ABC music file with the extracted tune(s)
Tune-47936-EverydaySongBook2.ps 520001 PostScript
Tune-47936-EverydaySongBook2.txt 265837 Plain-text file with the extracted tune(s)
Tune-47936-get.log 151420 Log file, useful mostly for debugging
Tune-47991-Eileen_McMahon.abc 357 ABC music file with the extracted tune(s)
Tune-47991-Eileen_McMahon.pdf 10028 Portable Data Format
Tune-47991-Eileen_McMahon.ps 32822 PostScript
Tune-47991-Eileen_McMahon.txt 357 Plain-text file with the extracted tune(s)
Tune-47991-get.log 5647 Log file, useful mostly for debugging
These files should be available for 24 hours.