Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/march/IgnatiusSancho_MCCD_v2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6498-IgnatiusSancho_MCCD_v2.ps) >>/Users/jc/w/tmp/Tune-6498-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/march/IgnatiusSancho_MCCD_v2.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_64989.log 461210 Log file, useful mostly for debugging
Form_64980.log 1033 Log file, useful mostly for debugging
Form_64983.log 988 Log file, useful mostly for debugging
Form_64989.log 1051 Log file, useful mostly for debugging
List64983.log 160 Log file, useful mostly for debugging
Tune-6498-IgnatiusSancho_MCCD_v2.abc 160 ABC music file with the extracted tune(s)
Tune-6498-IgnatiusSancho_MCCD_v2.ps 6 PostScript
Tune-6498-IgnatiusSancho_MCCD_v2.txt 160 Plain-text file with the extracted tune(s)
Tune-6498-get.log 4320 Log file, useful mostly for debugging
Tune-64980-get.log 2801 Log file, useful mostly for debugging
Tune-64986-get.log 1410 Log file, useful mostly for debugging
Tune-64987-get.log 5286 Log file, useful mostly for debugging
Tune-64988-get.log 4895 Log file, useful mostly for debugging
These files should be available for 24 hours.