Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1759/RSCDS_Graded1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1594-RSCDS_Graded1.ps) >>/Users/jc/w/tmp/Tune-1594-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1759/RSCDS_Graded1.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-1594-RSCDS_Graded1.abc 150 ABC music file with the extracted tune(s)
Tune-1594-RSCDS_Graded1.ps 6 PostScript
Tune-1594-RSCDS_Graded1.txt 150 Plain-text file with the extracted tune(s)
Tune-1594-get.log 5526 Log file, useful mostly for debugging
Tune-15940-Kilkenny_Hornpipe.abc 154 ABC music file with the extracted tune(s)
Tune-15940-Kilkenny_Hornpipe.pdf 2217 Portable Data Format
Tune-15940-Kilkenny_Hornpipe.ps 6 PostScript
Tune-15940-Kilkenny_Hornpipe.txt 154 Plain-text file with the extracted tune(s)
Tune-15940-get.log 5087 Log file, useful mostly for debugging
Tune-15943-get.log 1406 Log file, useful mostly for debugging
Tune-15949-KittyBridges_1745_VO.abc 157 ABC music file with the extracted tune(s)
Tune-15949-KittyBridges_1745_VO.ps 6 PostScript
Tune-15949-KittyBridges_1745_VO.txt 157 Plain-text file with the extracted tune(s)
Tune-15949-get.log 5843 Log file, useful mostly for debugging
These files should be available for 24 hours.