Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/slide/Wilson_Harmony_4NCD_1812_V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8481-Wilson_Harmony_4NCD_1812_V1.ps) >>/Users/jc/w/tmp/Tune-8481-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/slide/Wilson_Harmony_4NCD_1812_V1.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_84819.log 158165 Log file, useful mostly for debugging
Tune-8481-Wilson_Harmony_4NCD_1812_V1.abc 165 ABC music file with the extracted tune(s)
Tune-8481-Wilson_Harmony_4NCD_1812_V1.ps 6 PostScript
Tune-8481-Wilson_Harmony_4NCD_1812_V1.txt 165 Plain-text file with the extracted tune(s)
Tune-8481-get.log 4425 Log file, useful mostly for debugging
Tune-84812-get.log 4831 Log file, useful mostly for debugging
Tune-84815-EliasHowe_MusiciansCompanionP3-1844-V2.abc 175 ABC music file with the extracted tune(s)
Tune-84815-EliasHowe_MusiciansCompanionP3-1844-V2.txt 175 Plain-text file with the extracted tune(s)
Tune-84815-get.log 3692 Log file, useful mostly for debugging
Tune-84816-get.log 4660 Log file, useful mostly for debugging
Tune-84819-Kerr_MM4-V2.abc 148 ABC music file with the extracted tune(s)
Tune-84819-Kerr_MM4-V2.txt 148 Plain-text file with the extracted tune(s)
Tune-84819-get.log 8854 Log file, useful mostly for debugging
These files should be available for 24 hours.