Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Gow/CSR-abc1.abc/CR-abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8674-CR-abc2.ps) >>/Users/jc/w/tmp/Tune-8674-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CSR-abc1.abc/CR-abc2.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-8674-CR-abc2.abc 156 ABC music file with the extracted tune(s)
Tune-8674-CR-abc2.ps 6 PostScript
Tune-8674-CR-abc2.txt 156 Plain-text file with the extracted tune(s)
Tune-8674-CR2-abc2.abc 158 ABC music file with the extracted tune(s)
Tune-8674-CR2-abc2.txt 158 Plain-text file with the extracted tune(s)
Tune-8674-get.log 11408 Log file, useful mostly for debugging
Tune-86742-CharlesZeuner_TremontQuadrilles2.abc 168 ABC music file with the extracted tune(s)
Tune-86742-CharlesZeuner_TremontQuadrilles2.txt 168 Plain-text file with the extracted tune(s)
Tune-86742-Remick.abc 151 ABC music file with the extracted tune(s)
Tune-86742-Remick.ps 6 PostScript
Tune-86742-Remick.txt 151 Plain-text file with the extracted tune(s)
Tune-86742-get.log 11701 Log file, useful mostly for debugging
Tune-86743-CR3-abc2.abc 158 ABC music file with the extracted tune(s)
Tune-86743-CR3-abc2.txt 158 Plain-text file with the extracted tune(s)
Tune-86743-get.log 12717 Log file, useful mostly for debugging
Tune-86744-get.log 4025 Log file, useful mostly for debugging
Tune-86745-get.log 3642 Log file, useful mostly for debugging
These files should be available for 24 hours.