Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/polka/1769_Bremner_SRCD.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5200-1769_Bremner_SRCD.ps) >>/Users/jc/w/tmp/Tune-5200-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/polka/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
Tune-5200-1769_Bremner_SRCD.abc 155 ABC music file with the extracted tune(s)
Tune-5200-1769_Bremner_SRCD.ps 6 PostScript
Tune-5200-1769_Bremner_SRCD.txt 155 Plain-text file with the extracted tune(s)
Tune-5200-get.log 4215 Log file, useful mostly for debugging
Tune-52002-get.log 4605 Log file, useful mostly for debugging
Tune-52006-Kohlers.abc 144 ABC music file with the extracted tune(s)
Tune-52006-Kohlers.txt 144 Plain-text file with the extracted tune(s)
Tune-52006-get.log 3132 Log file, useful mostly for debugging
Tune-52008-get.log 4656 Log file, useful mostly for debugging
Tune-52009-SCD_RoyGoldring_15SocialDances.abc 167 ABC music file with the extracted tune(s)
Tune-52009-SCD_RoyGoldring_15SocialDances.pdf 2217 Portable Data Format
Tune-52009-SCD_RoyGoldring_15SocialDances.ps 6 PostScript
Tune-52009-SCD_RoyGoldring_15SocialDances.txt 167 Plain-text file with the extracted tune(s)
Tune-52009-get.log 5462 Log file, useful mostly for debugging
These files should be available for 24 hours.