Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/JamesOswald/CPC/13191_the_Flower_of_Edinburgh.abc/all"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-441-all.ps) >>/Users/jc/w/tmp/Tune-441-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JamesOswald/CPC/13191_the_Flower_of_Edinburgh.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
Tune-441-all.abc 181 ABC music file with the extracted tune(s)
Tune-441-all.ps 6 PostScript
Tune-441-all.txt 181 Plain-text file with the extracted tune(s)
Tune-441-get.log 4100 Log file, useful mostly for debugging
Tune-44104-get.log 2858 Log file, useful mostly for debugging
Tune-44104-polka.abc 172 ABC music file with the extracted tune(s)
Tune-44104-polka.txt 172 Plain-text file with the extracted tune(s)
Tune-44114-Carolines_Polka.abc 1370 ABC music file with the extracted tune(s)
Tune-44114-Carolines_Polka.ps 42963 PostScript
Tune-44114-Carolines_Polka.txt 1370 Plain-text file with the extracted tune(s)
Tune-44114-get.log 4596 Log file, useful mostly for debugging
Tune-44115-215_In_Summer.abc 1108 ABC music file with the extracted tune(s)
Tune-44115-215_In_Summer.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-44115-215_In_Summer.ps 35620 PostScript
Tune-44115-215_In_Summer.txt 1108 Plain-text file with the extracted tune(s)
Tune-44115-get.log 5327 Log file, useful mostly for debugging
Tune-44151-Rookery.abc 570 ABC music file with the extracted tune(s)
Tune-44151-Rookery.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-44151-Rookery.ps 38687 PostScript
Tune-44151-Rookery.txt 570 Plain-text file with the extracted tune(s)
Tune-44151-get.log 5462 Log file, useful mostly for debugging
Tune-44157-Far_Away_Boys.abc 459 ABC music file with the extracted tune(s)
Tune-44157-Far_Away_Boys.pdf 14523 Portable Data Format
Tune-44157-Far_Away_Boys.ps 35221 PostScript
Tune-44157-Far_Away_Boys.txt 459 Plain-text file with the extracted tune(s)
Tune-44157-get.log 5802 Log file, useful mostly for debugging
Tune-44167-Pull_Down_the_Blind.abc 513 ABC music file with the extracted tune(s)
Tune-44167-Pull_Down_the_Blind.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-44167-Pull_Down_the_Blind.ps 34135 PostScript
Tune-44167-Pull_Down_the_Blind.txt 513 Plain-text file with the extracted tune(s)
Tune-44167-get.log 5628 Log file, useful mostly for debugging
Tune-4419-get.log 4436 Log file, useful mostly for debugging
These files should be available for 24 hours.