Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/JamesOswald/CPC/15102_the_Glasgow_Scots_Measure.abc/all"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2482-all.ps) >>/Users/jc/w/tmp/Tune-2482-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JamesOswald/CPC/15102_the_Glasgow_Scots_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
Form_24824.log 1057 Log file, useful mostly for debugging
Form_24825.log 996 Log file, useful mostly for debugging
Tune-2482-all.abc 183 ABC music file with the extracted tune(s)
Tune-2482-all.ps 6 PostScript
Tune-2482-all.txt 183 Plain-text file with the extracted tune(s)
Tune-2482-get.log 4129 Log file, useful mostly for debugging
Tune-24820-10051_MISS_MONTGOMERIES_REEL.abc 490 ABC music file with the extracted tune(s)
Tune-24820-10051_MISS_MONTGOMERIES_REEL.ps 34483 PostScript
Tune-24820-10051_MISS_MONTGOMERIES_REEL.txt 490 Plain-text file with the extracted tune(s)
Tune-24820-get.log 4926 Log file, useful mostly for debugging
Tune-24825-get.log 10975 Log file, useful mostly for debugging
Tune-24827-get.log 5788 Log file, useful mostly for debugging
Tune-24828-get.log 5675 Log file, useful mostly for debugging
Tune-24829-get.log 5586 Log file, useful mostly for debugging
These files should be available for 24 hours.