Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/TomThumb/Jean_Henry_dAnglebert_PdC1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7873-Jean_Henry_dAnglebert_PdC1.ps) >>/Users/jc/w/tmp/Tune-7873-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/TomThumb/Jean_Henry_dAnglebert_PdC1.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-7873-Jean_Henry_dAnglebert_PdC1.abc 167 ABC music file with the extracted tune(s)
Tune-7873-Jean_Henry_dAnglebert_PdC1.ps 6 PostScript
Tune-7873-Jean_Henry_dAnglebert_PdC1.txt 167 Plain-text file with the extracted tune(s)
Tune-7873-get.log 9367 Log file, useful mostly for debugging
Tune-78731-get.log 1310 Log file, useful mostly for debugging
Tune-78734-get.log 1412 Log file, useful mostly for debugging
Tune-78735-get.log 1310 Log file, useful mostly for debugging
Tune-86680-Tune-7873-Success_to_the_Fleet_LM.abc 185 ABC music file with the extracted tune(s)
Tune-86680-Tune-7873-Success_to_the_Fleet_LM.txt 185 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.