Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/abc2/WilliamShepherdsCollections.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-289-WilliamShepherdsCollections.ps) >>/Users/jc/w/tmp/Tune-289-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/abc2/WilliamShepherdsCollections.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_28989.log 144173 Log file, useful mostly for debugging
Tune-289-WilliamShepherdsCollections.abc 164 ABC music file with the extracted tune(s)
Tune-289-WilliamShepherdsCollections.ps 6 PostScript
Tune-289-WilliamShepherdsCollections.txt 164 Plain-text file with the extracted tune(s)
Tune-289-get.log 4404 Log file, useful mostly for debugging
Tune-28904-get.log 1501 Log file, useful mostly for debugging
Tune-28911-get.log 1561 Log file, useful mostly for debugging
Tune-28917-get.log 1552 Log file, useful mostly for debugging
Tune-28923-get.log 1555 Log file, useful mostly for debugging
Tune-28930-get.log 1562 Log file, useful mostly for debugging
Tune-28936-get.log 1557 Log file, useful mostly for debugging
Tune-28942-get.log 1533 Log file, useful mostly for debugging
Tune-28948-get.log 1507 Log file, useful mostly for debugging
Tune-2895-get.log 8586 Log file, useful mostly for debugging
Tune-28954-get.log 1916 Log file, useful mostly for debugging
Tune-28960-get.log 1477 Log file, useful mostly for debugging
Tune-28966-get.log 1429 Log file, useful mostly for debugging
Tune-28973-get.log 1477 Log file, useful mostly for debugging
Tune-28977-get.log 1437 Log file, useful mostly for debugging
Tune-28983-get.log 1445 Log file, useful mostly for debugging
These files should be available for 24 hours.