Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/3D2006/24CountryDances_1800_Preston.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5483-24CountryDances_1800_Preston.ps) >>/Users/jc/w/tmp/Tune-5483-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/3D2006/24CountryDances_1800_Preston.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_54831.log 153867 Log file, useful mostly for debugging
Tune-5483-24CountryDances_1800_Preston.abc 167 ABC music file with the extracted tune(s)
Tune-5483-24CountryDances_1800_Preston.ps 6 PostScript
Tune-5483-24CountryDances_1800_Preston.txt 167 Plain-text file with the extracted tune(s)
Tune-5483-get.log 7811 Log file, useful mostly for debugging
Tune-54832-Gow-CSR-abc1.abc 164 ABC music file with the extracted tune(s)
Tune-54832-Gow-CSR-abc1.ps 6 PostScript
Tune-54832-Gow-CSR-abc1.txt 164 Plain-text file with the extracted tune(s)
Tune-54832-get.log 9009 Log file, useful mostly for debugging
Tune-54838-221_Hollow_Drum.abc 585 ABC music file with the extracted tune(s)
Tune-54838-221_Hollow_Drum.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-54838-221_Hollow_Drum.ps 34239 PostScript
Tune-54838-221_Hollow_Drum.txt 585 Plain-text file with the extracted tune(s)
Tune-54838-get.log 9711 Log file, useful mostly for debugging
These files should be available for 24 hours.