Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Gow/CSR-abc2.pdf/CSR3-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2598-CSR3-abc1.ps) >>/Users/jc/w/tmp/Tune-2598-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CSR-abc2.pdf/CSR3-abc1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_25987.log 984 Log file, useful mostly for debugging
Tune-2598-CSR3-abc1.abc 158 ABC music file with the extracted tune(s)
Tune-2598-CSR3-abc1.ps 6 PostScript
Tune-2598-CSR3-abc1.txt 158 Plain-text file with the extracted tune(s)
Tune-2598-get.log 8150 Log file, useful mostly for debugging
Tune-25981-CSR2-abc2.abc 158 ABC music file with the extracted tune(s)
Tune-25981-CSR2-abc2.pdf 2217 Portable Data Format
Tune-25981-CSR2-abc2.ps 6 PostScript
Tune-25981-CSR2-abc2.txt 158 Plain-text file with the extracted tune(s)
Tune-25981-get.log 4925 Log file, useful mostly for debugging
Tune-25982-get.log 5907 Log file, useful mostly for debugging
Tune-25983-get.log 4363 Log file, useful mostly for debugging
Tune-25984-get.log 10253 Log file, useful mostly for debugging
Tune-25985-get.log 4366 Log file, useful mostly for debugging
Tune-25986-get.log 4686 Log file, useful mostly for debugging
Tune-25989-get.log 5549 Log file, useful mostly for debugging
These files should be available for 24 hours.