Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/SocialDances2002/SkillernChalloner_PCD2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5455-SkillernChalloner_PCD2.ps) >>/Users/jc/w/tmp/Tune-5455-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SocialDances2002/SkillernChalloner_PCD2.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-5455-SkillernChalloner_PCD2.abc 171 ABC music file with the extracted tune(s)
Tune-5455-SkillernChalloner_PCD2.ps 6 PostScript
Tune-5455-SkillernChalloner_PCD2.txt 171 Plain-text file with the extracted tune(s)
Tune-5455-get.log 12710 Log file, useful mostly for debugging
Tune-54551-get.log 4233 Log file, useful mostly for debugging
Tune-54552-get.log 9590 Log file, useful mostly for debugging
Tune-54553-get.log 17137 Log file, useful mostly for debugging
Tune-54554-Tune-73220-src.abc 166 ABC music file with the extracted tune(s)
Tune-54554-Tune-73220-src.pdf 2217 Portable Data Format
Tune-54554-Tune-73220-src.ps 6 PostScript
Tune-54554-Tune-73220-src.txt 166 Plain-text file with the extracted tune(s)
Tune-54554-get.log 5088 Log file, useful mostly for debugging
Tune-54557-get.log 3618 Log file, useful mostly for debugging
Tune-54558-get.log 4422 Log file, useful mostly for debugging
These files should be available for 24 hours.