Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Tunes/RSCDS_Graded2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5218-RSCDS_Graded2.ps) >>/Users/jc/w/tmp/Tune-5218-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Tunes/RSCDS_Graded2.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-5218-RSCDS_Graded2.abc 151 ABC music file with the extracted tune(s)
Tune-5218-RSCDS_Graded2.ps 6 PostScript
Tune-5218-RSCDS_Graded2.txt 151 Plain-text file with the extracted tune(s)
Tune-5218-get.log 9081 Log file, useful mostly for debugging
Tune-52180-get.log 5172 Log file, useful mostly for debugging
Tune-52183-CaledonianMusicalRepository_1806.abc 173 ABC music file with the extracted tune(s)
Tune-52183-CaledonianMusicalRepository_1806.pdf 2217 Portable Data Format
Tune-52183-CaledonianMusicalRepository_1806.ps 6 PostScript
Tune-52183-CaledonianMusicalRepository_1806.txt 173 Plain-text file with the extracted tune(s)
Tune-52183-get.log 10664 Log file, useful mostly for debugging
Tune-52186-get.log 4660 Log file, useful mostly for debugging
Tune-52187-get.log 4009 Log file, useful mostly for debugging
Tune-52188-get.log 8300 Log file, useful mostly for debugging
Tune-52189-get.log 4133 Log file, useful mostly for debugging
These files should be available for 24 hours.