Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1809/Gow-CSR3-abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5820-Gow-CSR3-abc2.ps) >>/Users/jc/w/tmp/Tune-5820-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1809/Gow-CSR3-abc2.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-5820-Gow-CSR3-abc2.abc 150 ABC music file with the extracted tune(s)
Tune-5820-Gow-CSR3-abc2.ps 6 PostScript
Tune-5820-Gow-CSR3-abc2.txt 150 Plain-text file with the extracted tune(s)
Tune-5820-get.log 4129 Log file, useful mostly for debugging
Tune-58200-get.log 1471 Log file, useful mostly for debugging
Tune-58203-271_Mrs_Dr_Stewarts_Strathspey.abc 1191 ABC music file with the extracted tune(s)
Tune-58203-271_Mrs_Dr_Stewarts_Strathspey.ps 40936 PostScript
Tune-58203-271_Mrs_Dr_Stewarts_Strathspey.txt 1191 Plain-text file with the extracted tune(s)
Tune-58203-get.log 10671 Log file, useful mostly for debugging
Tune-58205-get.log 17899 Log file, useful mostly for debugging
Tune-58207-get.log 1372 Log file, useful mostly for debugging
Tune-58209-get.log 5238 Log file, useful mostly for debugging
These files should be available for 24 hours.