Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Absent_Minded_Man/sett.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5333-sett.ps) >>/Users/jc/w/tmp/Tune-5333-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Absent_Minded_Man/sett.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-5333-get.log 4018 Log file, useful mostly for debugging
Tune-5333-sett.abc 154 ABC music file with the extracted tune(s)
Tune-5333-sett.ps 6 PostScript
Tune-5333-sett.txt 154 Plain-text file with the extracted tune(s)
Tune-53330-Kohlers1.abc 145 ABC music file with the extracted tune(s)
Tune-53330-Kohlers1.txt 145 Plain-text file with the extracted tune(s)
Tune-53330-MMM2.abc 141 ABC music file with the extracted tune(s)
Tune-53330-MMM2.ps 6 PostScript
Tune-53330-MMM2.txt 141 Plain-text file with the extracted tune(s)
Tune-53330-get.log 7136 Log file, useful mostly for debugging
Tune-53336-Gow-CSR1-abc1.abc 149 ABC music file with the extracted tune(s)
Tune-53336-Gow-CSR1-abc1.txt 149 Plain-text file with the extracted tune(s)
Tune-53336-get.log 3232 Log file, useful mostly for debugging
These files should be available for 24 hours.