pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-21302-Waltz_ScotLament.ps) >>/Users/jc/w/tmp/Tune-21302-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/Waltz_ScotLament.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_21302.log 282925 Log file, useful mostly for debugging
Tune-21302-Waltz_ScotLament.abc 2280 ABC music file with the extracted tune(s)
Tune-21302-Waltz_ScotLament.ps 52131 PostScript
Tune-21302-Waltz_ScotLament.txt 2280 Plain-text file with the extracted tune(s)
Tune-21302-get.log 4538 Log file, useful mostly for debugging
These files should be available for 24 hours.