Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/CDoT/HibernianMuse-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7911-HibernianMuse-V1.ps) >>/Users/jc/w/tmp/Tune-7911-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CDoT/HibernianMuse-V1.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_79111.log 285735 Log file, useful mostly for debugging
Coll_79112.log 291355 Log file, useful mostly for debugging
Coll_79114.log 288545 Log file, useful mostly for debugging
Coll_79116.log 993290 Log file, useful mostly for debugging
Coll_79119.log 570065 Log file, useful mostly for debugging
Tune-7911-HibernianMuse-V1.abc 153 ABC music file with the extracted tune(s)
Tune-7911-HibernianMuse-V1.ps 6 PostScript
Tune-7911-HibernianMuse-V1.txt 153 Plain-text file with the extracted tune(s)
Tune-7911-get.log 10355 Log file, useful mostly for debugging
Tune-79110-get.log 5300 Log file, useful mostly for debugging
Tune-79114-get.log 5543 Log file, useful mostly for debugging
Tune-79119-Goulding_SSEIFA_v3.abc 158 ABC music file with the extracted tune(s)
Tune-79119-Goulding_SSEIFA_v3.ps 6 PostScript
Tune-79119-Goulding_SSEIFA_v3.txt 158 Plain-text file with the extracted tune(s)
Tune-79119-get.log 4177 Log file, useful mostly for debugging
These files should be available for 24 hours.