Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Brown_Soffe/0203_Easter_Holy_Day.abc/misc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9555-misc.ps) >>/Users/jc/w/tmp/Tune-9555-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Brown_Soffe/0203_Easter_Holy_Day.abc/misc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_9555.log 1229631 Log file, useful mostly for debugging
Tune-9555-get.log 4060 Log file, useful mostly for debugging
Tune-9555-misc.abc 169 ABC music file with the extracted tune(s)
Tune-9555-misc.ps 6 PostScript
Tune-9555-misc.txt 169 Plain-text file with the extracted tune(s)
Tune-95550-Tune-57002-JohnFrench.abc 173 ABC music file with the extracted tune(s)
Tune-95550-Tune-57002-JohnFrench.pdf 2217 Portable Data Format
Tune-95550-Tune-57002-JohnFrench.ps 6 PostScript
Tune-95550-Tune-57002-JohnFrench.txt 173 Plain-text file with the extracted tune(s)
Tune-95550-get.log 5291 Log file, useful mostly for debugging
Tune-95556-ArthursSeatWaltzes.abc 157 ABC music file with the extracted tune(s)
Tune-95556-ArthursSeatWaltzes.ps 6 PostScript
Tune-95556-ArthursSeatWaltzes.txt 157 Plain-text file with the extracted tune(s)
Tune-95556-get.log 4294 Log file, useful mostly for debugging
Tune-95559-Tune-74572-1766_Johnson.abc 175 ABC music file with the extracted tune(s)
Tune-95559-Tune-74572-1766_Johnson.ps 6 PostScript
Tune-95559-Tune-74572-1766_Johnson.txt 175 Plain-text file with the extracted tune(s)
Tune-95559-get.log 4172 Log file, useful mostly for debugging
These files should be available for 24 hours.