Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Gow/CR-abc1.pdf/CR3-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7645-CR3-abc1.ps) >>/Users/jc/w/tmp/Tune-7645-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CR-abc1.pdf/CR3-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
Tune-7645-CR3-abc1.abc 156 ABC music file with the extracted tune(s)
Tune-7645-CR3-abc1.ps 6 PostScript
Tune-7645-CR3-abc1.txt 156 Plain-text file with the extracted tune(s)
Tune-7645-get.log 22857 Log file, useful mostly for debugging
Tune-76452-1281_Alouette-001.svg 32739 Scalable Vector Graphics format
Tune-76452-1281_Alouette.abc 2119 ABC music file with the extracted tune(s)
Tune-76452-1281_Alouette.txt 2119 Plain-text file with the extracted tune(s)
Tune-76452-get.log 4210 Log file, useful mostly for debugging
Tune-76456-Rinnci_na_hEireann.abc 155 ABC music file with the extracted tune(s)
Tune-76456-Rinnci_na_hEireann.ps 6 PostScript
Tune-76456-Rinnci_na_hEireann.txt 155 Plain-text file with the extracted tune(s)
Tune-76456-get.log 10207 Log file, useful mostly for debugging
These files should be available for 24 hours.