Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/MusiciansCompanionP3/ArthursSeatWaltzes.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5895-ArthursSeatWaltzes.ps) >>/Users/jc/w/tmp/Tune-5895-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/MusiciansCompanionP3/ArthursSeatWaltzes.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-5895-ArthursSeatWaltzes.abc 171 ABC music file with the extracted tune(s)
Tune-5895-ArthursSeatWaltzes.ps 6 PostScript
Tune-5895-ArthursSeatWaltzes.txt 171 Plain-text file with the extracted tune(s)
Tune-5895-get.log 4332 Log file, useful mostly for debugging
Tune-58950-get.log 5232 Log file, useful mostly for debugging
Tune-58951-get.log 4114 Log file, useful mostly for debugging
Tune-58952-get.log 14977 Log file, useful mostly for debugging
Tune-58953-get.log 3128 Log file, useful mostly for debugging
Tune-58955-get.log 4094 Log file, useful mostly for debugging
Tune-58956-get.log 5408 Log file, useful mostly for debugging
Tune-58957-get.log 10073 Log file, useful mostly for debugging
Tune-58958-get.log 5604 Log file, useful mostly for debugging
These files should be available for 24 hours.