Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1785/1769_Bremner_SRCD.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8846-1769_Bremner_SRCD.ps) >>/Users/jc/w/tmp/Tune-8846-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1785/1769_Bremner_SRCD.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_88460.log 1065 Log file, useful mostly for debugging
Form_88463.log 907 Log file, useful mostly for debugging
Tune-8846-1769_Bremner_SRCD.abc 154 ABC music file with the extracted tune(s)
Tune-8846-1769_Bremner_SRCD.ps 6 PostScript
Tune-8846-1769_Bremner_SRCD.txt 154 Plain-text file with the extracted tune(s)
Tune-8846-AMHSI-abc1.abc 147 ABC music file with the extracted tune(s)
Tune-8846-AMHSI-abc1.txt 147 Plain-text file with the extracted tune(s)
Tune-8846-get.log 27150 Log file, useful mostly for debugging
Tune-88460-get.log 5807 Log file, useful mostly for debugging
Tune-88468-get.log 5948 Log file, useful mostly for debugging
These files should be available for 24 hours.