Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Compleat_Tutor/Gow-CSR-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1164-Gow-CSR-abc1.ps) >>/Users/jc/w/tmp/Tune-1164-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Compleat_Tutor/Gow-CSR-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_11645.log 264661 Log file, useful mostly for debugging
Coll_11646.log 391462 Log file, useful mostly for debugging
Coll_11649.log 522297 Log file, useful mostly for debugging
Form_11643.log 2897 Log file, useful mostly for debugging
Tune-1164-Gow-CSR-abc1.abc 159 ABC music file with the extracted tune(s)
Tune-1164-Gow-CSR-abc1.ps 6 PostScript
Tune-1164-Gow-CSR-abc1.txt 159 Plain-text file with the extracted tune(s)
Tune-1164-get.log 9671 Log file, useful mostly for debugging
Tune-11644-get.log 5718 Log file, useful mostly for debugging
Tune-11647-get.log 3675 Log file, useful mostly for debugging
Tune-11649-get.log 3595 Log file, useful mostly for debugging
These files should be available for 24 hours.