Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MCCD/AMHSI_abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3907-AMHSI_abc1.ps) >>/Users/jc/w/tmp/Tune-3907-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MCCD/AMHSI_abc1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_39071.log 809 Log file, useful mostly for debugging
Tune-3907-AMHSI_abc1.abc 147 ABC music file with the extracted tune(s)
Tune-3907-AMHSI_abc1.ps 6 PostScript
Tune-3907-AMHSI_abc1.txt 147 Plain-text file with the extracted tune(s)
Tune-3907-get.log 4064 Log file, useful mostly for debugging
Tune-39075-get.log 3970 Log file, useful mostly for debugging
Tune-39077-get.log 5590 Log file, useful mostly for debugging
Tune-39078-William_Clarke_MS_1770.abc 161 ABC music file with the extracted tune(s)
Tune-39078-William_Clarke_MS_1770.pdf 2217 Portable Data Format
Tune-39078-William_Clarke_MS_1770.ps 6 PostScript
Tune-39078-William_Clarke_MS_1770.txt 161 Plain-text file with the extracted tune(s)
Tune-39078-get.log 5242 Log file, useful mostly for debugging
Tune-39079-get.log 6362 Log file, useful mostly for debugging
These files should be available for 24 hours.