Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Mac_Fosets_Farewell.abc/Collections.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2019-Collections.ps) >>/Users/jc/w/tmp/Tune-2019-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Mac_Fosets_Farewell.abc/Collections.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_20190.log 654411 Log file, useful mostly for debugging
Tune-2019-Collections.abc 167 ABC music file with the extracted tune(s)
Tune-2019-Collections.ps 6 PostScript
Tune-2019-Collections.txt 167 Plain-text file with the extracted tune(s)
Tune-2019-get.log 8406 Log file, useful mostly for debugging
Tune-20190-get.log 4737 Log file, useful mostly for debugging
Tune-20192-get.log 4838 Log file, useful mostly for debugging
Tune-20196-get.log 4294 Log file, useful mostly for debugging
Tune-20198-get.log 3488 Log file, useful mostly for debugging
These files should be available for 24 hours.