Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book43/Gow-CSR4-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-191-Gow-CSR4-abc1.ps) >>/Users/jc/w/tmp/Tune-191-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book43/Gow-CSR4-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
Coll_1915.log 282012 Log file, useful mostly for debugging
Find_19102.log 1757 Log file, useful mostly for debugging
Find_1916.log 1533 Log file, useful mostly for debugging
Form_19107.log 1212 Log file, useful mostly for debugging
Form_19117.log 904 Log file, useful mostly for debugging
Form_19173.log 1201 Log file, useful mostly for debugging
Tune-191-Gow-CSR4-abc1.abc 152 ABC music file with the extracted tune(s)
Tune-191-Gow-CSR4-abc1.ps 6 PostScript
Tune-191-Gow-CSR4-abc1.txt 152 Plain-text file with the extracted tune(s)
Tune-191-get.log 4122 Log file, useful mostly for debugging
Tune-19112-get.log 1407 Log file, useful mostly for debugging
Tune-19116-get.log 5677 Log file, useful mostly for debugging
Tune-1912-get.log 1426 Log file, useful mostly for debugging
Tune-19132-get.log 28781 Log file, useful mostly for debugging
Tune-19133-get.log 6509 Log file, useful mostly for debugging
Tune-19140-get.log 1407 Log file, useful mostly for debugging
Tune-19144-get.log 5677 Log file, useful mostly for debugging
Tune-1915-get.log 5202 Log file, useful mostly for debugging
Tune-19155-get.log 1407 Log file, useful mostly for debugging
Tune-19162-get.log 4116 Log file, useful mostly for debugging
Tune-19165-get.log 5447 Log file, useful mostly for debugging
Tune-19177-get.log 1407 Log file, useful mostly for debugging
Tune-19184-get.log 1287 Log file, useful mostly for debugging
Tune-19186-get.log 4739 Log file, useful mostly for debugging
Tune-19188-get.log 29238 Log file, useful mostly for debugging
Tune-19197-get.log 1407 Log file, useful mostly for debugging
These files should be available for 24 hours.