Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/T/BotCDaSS.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3997-BotCDaSS.ps) >>/Users/jc/w/tmp/Tune-3997-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/T/BotCDaSS.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-3997-BotCDaSS.abc 142 ABC music file with the extracted tune(s)
Tune-3997-BotCDaSS.ps 6 PostScript
Tune-3997-BotCDaSS.txt 142 Plain-text file with the extracted tune(s)
Tune-3997-get.log 4004 Log file, useful mostly for debugging
Tune-39970-get.log 4378 Log file, useful mostly for debugging
Tune-39971-get.log 3482 Log file, useful mostly for debugging
Tune-39973-Rutherford_Compleat_Collection_V2.abc 171 ABC music file with the extracted tune(s)
Tune-39973-Rutherford_Compleat_Collection_V2.ps 6 PostScript
Tune-39973-Rutherford_Compleat_Collection_V2.txt 171 Plain-text file with the extracted tune(s)
Tune-39973-get.log 4603 Log file, useful mostly for debugging
Tune-39975-get.log 5137 Log file, useful mostly for debugging
Tune-39976-get.log 4129 Log file, useful mostly for debugging
These files should be available for 24 hours.