Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/AmericanSD/Kerr_MM2-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7172-Kerr_MM2-V1.ps) >>/Users/jc/w/tmp/Tune-7172-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/AmericanSD/Kerr_MM2-V1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-7172-Kerr_MM2-V1.abc 154 ABC music file with the extracted tune(s)
Tune-7172-Kerr_MM2-V1.ps 6 PostScript
Tune-7172-Kerr_MM2-V1.txt 154 Plain-text file with the extracted tune(s)
Tune-7172-get.log 4119 Log file, useful mostly for debugging
Tune-71723-HealthToBetty_PLFD1651_037.abc 351 ABC music file with the extracted tune(s)
Tune-71723-HealthToBetty_PLFD1651_037.ps 32328 PostScript
Tune-71723-HealthToBetty_PLFD1651_037.txt 351 Plain-text file with the extracted tune(s)
Tune-71723-get.log 5539 Log file, useful mostly for debugging
Tune-71724-get.log 3906 Log file, useful mostly for debugging
Tune-71728-20773_Touch_Me_Not.abc 612 ABC music file with the extracted tune(s)
Tune-71728-20773_Touch_Me_Not.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-71728-20773_Touch_Me_Not.ps 34009 PostScript
Tune-71728-20773_Touch_Me_Not.txt 612 Plain-text file with the extracted tune(s)
Tune-71728-get.log 5578 Log file, useful mostly for debugging
These files should be available for 24 hours.