Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Gow4/Wilson_Harmony_4NCD_1812_V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9107-Wilson_Harmony_4NCD_1812_V2.ps) >>/Users/jc/w/tmp/Tune-9107-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow4/Wilson_Harmony_4NCD_1812_V2.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_91071.log 331284 Log file, useful mostly for debugging
Form_91077.log 806 Log file, useful mostly for debugging
Tune-9107-Wilson_Harmony_4NCD_1812_V2.abc 164 ABC music file with the extracted tune(s)
Tune-9107-Wilson_Harmony_4NCD_1812_V2.ps 6 PostScript
Tune-9107-Wilson_Harmony_4NCD_1812_V2.txt 164 Plain-text file with the extracted tune(s)
Tune-9107-get.log 4421 Log file, useful mostly for debugging
Tune-91071-Thompson_V1_1751-1757_FTM.abc 162 ABC music file with the extracted tune(s)
Tune-91071-Thompson_V1_1751-1757_FTM.pdf 2217 Portable Data Format
Tune-91071-Thompson_V1_1751-1757_FTM.ps 6 PostScript
Tune-91071-Thompson_V1_1751-1757_FTM.txt 162 Plain-text file with the extracted tune(s)
Tune-91071-get.log 5311 Log file, useful mostly for debugging
Tune-91073-get.log 5984 Log file, useful mostly for debugging
Tune-91079-Goulding_SSEIFA.abc 152 ABC music file with the extracted tune(s)
Tune-91079-Goulding_SSEIFA.txt 152 Plain-text file with the extracted tune(s)
Tune-91079-get.log 3276 Log file, useful mostly for debugging
These files should be available for 24 hours.