Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1784/AMHSI-abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2826-AMHSI-abc2.ps) >>/Users/jc/w/tmp/Tune-2826-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1784/AMHSI-abc2.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-2826-AMHSI-abc2.abc 147 ABC music file with the extracted tune(s)
Tune-2826-AMHSI-abc2.ps 6 PostScript
Tune-2826-AMHSI-abc2.txt 147 Plain-text file with the extracted tune(s)
Tune-2826-get.log 5521 Log file, useful mostly for debugging
Tune-28260-get.log 3822 Log file, useful mostly for debugging
Tune-28262-24CountryDances_1803_Bland_Weller.abc 170 ABC music file with the extracted tune(s)
Tune-28262-24CountryDances_1803_Bland_Weller.pdf 2217 Portable Data Format
Tune-28262-24CountryDances_1803_Bland_Weller.ps 6 PostScript
Tune-28262-24CountryDances_1803_Bland_Weller.txt 170 Plain-text file with the extracted tune(s)
Tune-28262-get.log 9630 Log file, useful mostly for debugging
Tune-28265-get.log 4741 Log file, useful mostly for debugging
These files should be available for 24 hours.