Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/AB/Jean_Henry_dAnglebert_PdC2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2518-Jean_Henry_dAnglebert_PdC2.ps) >>/Users/jc/w/tmp/Tune-2518-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/AB/Jean_Henry_dAnglebert_PdC2.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-2518-Jean_Henry_dAnglebert_PdC2.abc 161 ABC music file with the extracted tune(s)
Tune-2518-Jean_Henry_dAnglebert_PdC2.ps 6 PostScript
Tune-2518-Jean_Henry_dAnglebert_PdC2.txt 161 Plain-text file with the extracted tune(s)
Tune-2518-get.log 4386 Log file, useful mostly for debugging
Tune-25185-2173_John_Howats_Reel.abc 462 ABC music file with the extracted tune(s)
Tune-25185-2173_John_Howats_Reel.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-25185-2173_John_Howats_Reel.ps 34385 PostScript
Tune-25185-2173_John_Howats_Reel.txt 462 Plain-text file with the extracted tune(s)
Tune-25185-get.log 5510 Log file, useful mostly for debugging
Tune-25187-Gow-CSR-abc1.abc 149 ABC music file with the extracted tune(s)
Tune-25187-Gow-CSR-abc1.ps 6 PostScript
Tune-25187-Gow-CSR-abc1.txt 149 Plain-text file with the extracted tune(s)
Tune-25187-get.log 4154 Log file, useful mostly for debugging
These files should be available for 24 hours.