Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/D78/Stewart_SCAJMR_1784-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9775-Stewart_SCAJMR_1784-V1.ps) >>/Users/jc/w/tmp/Tune-9775-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/D78/Stewart_SCAJMR_1784-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-9775-Stewart_SCAJMR_1784-V1.abc 158 ABC music file with the extracted tune(s)
Tune-9775-Stewart_SCAJMR_1784-V1.ps 6 PostScript
Tune-9775-Stewart_SCAJMR_1784-V1.txt 158 Plain-text file with the extracted tune(s)
Tune-9775-get.log 4312 Log file, useful mostly for debugging
Tune-97750-24CountryDances_1805_Preston.abc 169 ABC music file with the extracted tune(s)
Tune-97750-24CountryDances_1805_Preston.pdf 2217 Portable Data Format
Tune-97750-24CountryDances_1805_Preston.ps 6 PostScript
Tune-97750-24CountryDances_1805_Preston.txt 169 Plain-text file with the extracted tune(s)
Tune-97750-get.log 5428 Log file, useful mostly for debugging
Tune-97754-get.log 3966 Log file, useful mostly for debugging
Tune-97755-Morgan_MacGann.abc 551 ABC music file with the extracted tune(s)
Tune-97755-Morgan_MacGann.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-97755-Morgan_MacGann.ps 35731 PostScript
Tune-97755-Morgan_MacGann.txt 551 Plain-text file with the extracted tune(s)
Tune-97755-get.log 8689 Log file, useful mostly for debugging
Tune-97757-get.log 10428 Log file, useful mostly for debugging
These files should be available for 24 hours.