Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Rare_Small/Landrin_Potpourri.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9438-Landrin_Potpourri.ps) >>/Users/jc/w/tmp/Tune-9438-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Rare_Small/Landrin_Potpourri.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_94381.log 191006 Log file, useful mostly for debugging
Find_94384.log 1527 Log file, useful mostly for debugging
Tune-9438-Landrin_Potpourri.abc 160 ABC music file with the extracted tune(s)
Tune-9438-Landrin_Potpourri.ps 6 PostScript
Tune-9438-Landrin_Potpourri.txt 160 Plain-text file with the extracted tune(s)
Tune-9438-get.log 4247 Log file, useful mostly for debugging
Tune-94382-get.log 9060 Log file, useful mostly for debugging
Tune-94383-get.log 7629 Log file, useful mostly for debugging
Tune-94384-get.log 5503 Log file, useful mostly for debugging
Tune-94385-get.log 14001 Log file, useful mostly for debugging
Tune-94386-get.log 7915 Log file, useful mostly for debugging
Tune-94389-get.log 7029 Log file, useful mostly for debugging
These files should be available for 24 hours.