Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/HUTB2/Straight_Skillern.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4489-Straight_Skillern.ps) >>/Users/jc/w/tmp/Tune-4489-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/HUTB2/Straight_Skillern.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-4489-Straight_Skillern.abc 155 ABC music file with the extracted tune(s)
Tune-4489-Straight_Skillern.ps 6 PostScript
Tune-4489-Straight_Skillern.txt 155 Plain-text file with the extracted tune(s)
Tune-4489-get.log 8497 Log file, useful mostly for debugging
Tune-44890-get.log 10644 Log file, useful mostly for debugging
Tune-44895-get.log 13105 Log file, useful mostly for debugging
Tune-44897-FARNE_Anonymous2.abc 152 ABC music file with the extracted tune(s)
Tune-44897-FARNE_Anonymous2.ps 6 PostScript
Tune-44897-FARNE_Anonymous2.txt 152 Plain-text file with the extracted tune(s)
Tune-44897-Remick.abc 144 ABC music file with the extracted tune(s)
Tune-44897-Remick.ps 6 PostScript
Tune-44897-Remick.txt 144 Plain-text file with the extracted tune(s)
Tune-44897-get.log 15313 Log file, useful mostly for debugging
These files should be available for 24 hours.