Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1804/RSCDS_Graded1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7902-RSCDS_Graded1.ps) >>/Users/jc/w/tmp/Tune-7902-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1804/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-7902-RSCDS_Graded1.abc 150 ABC music file with the extracted tune(s)
Tune-7902-RSCDS_Graded1.ps 6 PostScript
Tune-7902-RSCDS_Graded1.txt 150 Plain-text file with the extracted tune(s)
Tune-7902-get.log 4129 Log file, useful mostly for debugging
Tune-79021-get.log 4921 Log file, useful mostly for debugging
Tune-79025-128_Dancing_Song.abc 1019 ABC music file with the extracted tune(s)
Tune-79025-128_Dancing_Song.ps 34719 PostScript
Tune-79025-128_Dancing_Song.txt 1019 Plain-text file with the extracted tune(s)
Tune-79025-get.log 4630 Log file, useful mostly for debugging
Tune-79026-112_Twinkle_Twinkle_Little_Star.abc 1300 ABC music file with the extracted tune(s)
Tune-79026-112_Twinkle_Twinkle_Little_Star.ps 35868 PostScript
Tune-79026-112_Twinkle_Twinkle_Little_Star.txt 1300 Plain-text file with the extracted tune(s)
Tune-79026-get.log 15309 Log file, useful mostly for debugging
These files should be available for 24 hours.