Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/slipjig/24CountryDances_1776_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6496-24CountryDances_1776_Thompson.ps) >>/Users/jc/w/tmp/Tune-6496-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/slipjig/24CountryDances_1776_Thompson.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-6496-24CountryDances_1776_Thompson.abc 169 ABC music file with the extracted tune(s)
Tune-6496-24CountryDances_1776_Thompson.ps 6 PostScript
Tune-6496-24CountryDances_1776_Thompson.txt 169 Plain-text file with the extracted tune(s)
Tune-6496-get.log 4483 Log file, useful mostly for debugging
Tune-64962-20463_Sleeping_Maggy-001.svg 10812 Scalable Vector Graphics format
Tune-64962-20463_Sleeping_Maggy.abc 560 ABC music file with the extracted tune(s)
Tune-64962-20463_Sleeping_Maggy.txt 560 Plain-text file with the extracted tune(s)
Tune-64962-get.log 4538 Log file, useful mostly for debugging
Tune-64963-20832_Providence_Sett_tune_5.abc 1163 ABC music file with the extracted tune(s)
Tune-64963-20832_Providence_Sett_tune_5.pdf 22558 Portable Data Format
Tune-64963-20832_Providence_Sett_tune_5.ps 36417 PostScript
Tune-64963-20832_Providence_Sett_tune_5.txt 1163 Plain-text file with the extracted tune(s)
Tune-64963-get.log 6056 Log file, useful mostly for debugging
Tune-64964-get.log 9759 Log file, useful mostly for debugging
Tune-64965-get.log 4950 Log file, useful mostly for debugging
Tune-64969-get.log 2930 Log file, useful mostly for debugging
These files should be available for 24 hours.