Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Dales_Selection/ViolaRuth_AmericanSD.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2349-ViolaRuth_AmericanSD.ps) >>/Users/jc/w/tmp/Tune-2349-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Dales_Selection/ViolaRuth_AmericanSD.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_23492.log 235810 Log file, useful mostly for debugging
Coll_23494.log 159788 Log file, useful mostly for debugging
Tune-2349-ViolaRuth_AmericanSD.abc 168 ABC music file with the extracted tune(s)
Tune-2349-ViolaRuth_AmericanSD.ps 6 PostScript
Tune-2349-ViolaRuth_AmericanSD.txt 168 Plain-text file with the extracted tune(s)
Tune-2349-get.log 4338 Log file, useful mostly for debugging
Tune-23490-Wilson_Harmony_4NCD_1812_V2.abc 166 ABC music file with the extracted tune(s)
Tune-23490-Wilson_Harmony_4NCD_1812_V2.ps 6 PostScript
Tune-23490-Wilson_Harmony_4NCD_1812_V2.txt 166 Plain-text file with the extracted tune(s)
Tune-23490-get.log 8742 Log file, useful mostly for debugging
Tune-23491-get.log 3128 Log file, useful mostly for debugging
Tune-23494-get.log 3416 Log file, useful mostly for debugging
Tune-23496-get.log 1269 Log file, useful mostly for debugging
Tune-23497-get.log 8134 Log file, useful mostly for debugging
These files should be available for 24 hours.