Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/ONeills/Rare_Small/0181_the_Wrights_Rant.abc/book0"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-59038-book0.ps) >>/Users/jc/w/tmp/Tune-59038-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ONeills/Rare_Small/0181_the_Wrights_Rant.abc/book0

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-59038-05_Reel_C-001.svg 17987 Scalable Vector Graphics format
Tune-59038-05_Reel_C.abc 644 ABC music file with the extracted tune(s)
Tune-59038-05_Reel_C.txt 644 Plain-text file with the extracted tune(s)
Tune-59038-book0.abc 178 ABC music file with the extracted tune(s)
Tune-59038-book0.ps 6 PostScript
Tune-59038-book0.txt 178 Plain-text file with the extracted tune(s)
Tune-59038-get.log 8776 Log file, useful mostly for debugging
These files should be available for 24 hours.