Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Gow/CR1-abc1.pdf/CR-abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8637-CR-abc2.ps) >>/Users/jc/w/tmp/Tune-8637-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CR1-abc1.pdf/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-8637-CR-abc2.abc 156 ABC music file with the extracted tune(s)
Tune-8637-CR-abc2.ps 6 PostScript
Tune-8637-CR-abc2.txt 156 Plain-text file with the extracted tune(s)
Tune-8637-get.log 4073 Log file, useful mostly for debugging
Tune-86372-UponASummersDay.abc 1074 ABC music file with the extracted tune(s)
Tune-86372-UponASummersDay.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-86372-UponASummersDay.ps 35113 PostScript
Tune-86372-UponASummersDay.txt 1074 Plain-text file with the extracted tune(s)
Tune-86372-get.log 5805 Log file, useful mostly for debugging
Tune-86373-Pringle.abc 144 ABC music file with the extracted tune(s)
Tune-86373-Pringle.pdf 2217 Portable Data Format
Tune-86373-Pringle.ps 6 PostScript
Tune-86373-Pringle.txt 144 Plain-text file with the extracted tune(s)
Tune-86373-get.log 4799 Log file, useful mostly for debugging
Tune-86374-get.log 9782 Log file, useful mostly for debugging
Tune-86378-get.log 5383 Log file, useful mostly for debugging
These files should be available for 24 hours.