Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1794/_.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5887-_.ps) >>/Users/jc/w/tmp/Tune-5887-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1794/_.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-5887-_.abc 138 ABC music file with the extracted tune(s)
Tune-5887-_.ps 6 PostScript
Tune-5887-_.txt 138 Plain-text file with the extracted tune(s)
Tune-5887-get.log 3877 Log file, useful mostly for debugging
Tune-58871-get.log 3435 Log file, useful mostly for debugging
Tune-58872-get.log 4457 Log file, useful mostly for debugging
Tune-58875-042_I_Love_Little_Pussy.abc 781 ABC music file with the extracted tune(s)
Tune-58875-042_I_Love_Little_Pussy.txt 781 Plain-text file with the extracted tune(s)
Tune-58875-get.log 3456 Log file, useful mostly for debugging
Tune-58876-Kerr_MM4-V1.abc 148 ABC music file with the extracted tune(s)
Tune-58876-Kerr_MM4-V1.txt 148 Plain-text file with the extracted tune(s)
Tune-58876-get.log 3202 Log file, useful mostly for debugging
These files should be available for 24 hours.