Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Gow/CSR3-abc2.pdf/CSR-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5088-CSR-abc1.ps) >>/Users/jc/w/tmp/Tune-5088-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CSR3-abc2.pdf/CSR-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
Coll_50882.log 138414 Log file, useful mostly for debugging
Tune-5088-CSR-abc1.abc 158 ABC music file with the extracted tune(s)
Tune-5088-CSR-abc1.ps 6 PostScript
Tune-5088-CSR-abc1.txt 158 Plain-text file with the extracted tune(s)
Tune-5088-get.log 4100 Log file, useful mostly for debugging
Tune-50880-get.log 3418 Log file, useful mostly for debugging
Tune-50882-CR4-abc2.abc 158 ABC music file with the extracted tune(s)
Tune-50882-CR4-abc2.pdf 2217 Portable Data Format
Tune-50882-CR4-abc2.ps 6 PostScript
Tune-50882-CR4-abc2.txt 158 Plain-text file with the extracted tune(s)
Tune-50882-get.log 7792 Log file, useful mostly for debugging
Tune-50883-get.log 15686 Log file, useful mostly for debugging
Tune-50884-Gow-CSR4-abc2.abc 150 ABC music file with the extracted tune(s)
Tune-50884-Gow-CSR4-abc2.txt 150 Plain-text file with the extracted tune(s)
Tune-50884-get.log 3234 Log file, useful mostly for debugging
Tune-50886-get.log 4495 Log file, useful mostly for debugging
Tune-50887-get.log 5451 Log file, useful mostly for debugging
These files should be available for 24 hours.