Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/jig/BonAccordCollection.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7321-BonAccordCollection.ps) >>/Users/jc/w/tmp/Tune-7321-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/jig/BonAccordCollection.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_73215.log 119856 Log file, useful mostly for debugging
Tune-7321-BonAccordCollection.abc 155 ABC music file with the extracted tune(s)
Tune-7321-BonAccordCollection.ps 6 PostScript
Tune-7321-BonAccordCollection.txt 155 Plain-text file with the extracted tune(s)
Tune-7321-get.log 9296 Log file, useful mostly for debugging
Tune-73211-get.log 1418 Log file, useful mostly for debugging
Tune-73212-OriginallyMine.abc 151 ABC music file with the extracted tune(s)
Tune-73212-OriginallyMine.txt 151 Plain-text file with the extracted tune(s)
Tune-73212-get.log 7588 Log file, useful mostly for debugging
Tune-73216-get.log 5723 Log file, useful mostly for debugging
Tune-73217-RobertBremner_CSRCD1.abc 158 ABC music file with the extracted tune(s)
Tune-73217-RobertBremner_CSRCD1.pdf 2217 Portable Data Format
Tune-73217-RobertBremner_CSRCD1.ps 6 PostScript
Tune-73217-RobertBremner_CSRCD1.txt 158 Plain-text file with the extracted tune(s)
Tune-73217-get.log 5178 Log file, useful mostly for debugging
Tune-73219-get.log 4331 Log file, useful mostly for debugging
These files should be available for 24 hours.