Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/SocialDances2002/SkillernChalloner_PCD1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9654-SkillernChalloner_PCD1.ps) >>/Users/jc/w/tmp/Tune-9654-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SocialDances2002/SkillernChalloner_PCD1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_96541.log 338852 Log file, useful mostly for debugging
Find_96546.log 1415 Log file, useful mostly for debugging
Tune-9654-SkillernChalloner_PCD1.abc 171 ABC music file with the extracted tune(s)
Tune-9654-SkillernChalloner_PCD1.ps 6 PostScript
Tune-9654-SkillernChalloner_PCD1.txt 171 Plain-text file with the extracted tune(s)
Tune-9654-get.log 7558 Log file, useful mostly for debugging
Tune-96540-get.log 4406 Log file, useful mostly for debugging
Tune-96541-get.log 4462 Log file, useful mostly for debugging
Tune-96542-get.log 8328 Log file, useful mostly for debugging
Tune-96544-get.log 3662 Log file, useful mostly for debugging
Tune-96545-get.log 4400 Log file, useful mostly for debugging
Tune-96547-24CountryDances_1748_TDavis.abc 171 ABC music file with the extracted tune(s)
Tune-96547-24CountryDances_1748_TDavis.txt 171 Plain-text file with the extracted tune(s)
Tune-96547-get.log 3534 Log file, useful mostly for debugging
Tune-96549-get.log 5199 Log file, useful mostly for debugging
These files should be available for 24 hours.