pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6895-LadyGlasgow1.ps) >>/Users/jc/w/tmp/Tune-6895-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/LadyGlasgow1.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_68955.log 273090 Log file, useful mostly for debugging
Coll_68958.log 284330 Log file, useful mostly for debugging
Find_68950.log 1673 Log file, useful mostly for debugging
Tune-6895-LadyGlasgow1.abc 2070 ABC music file with the extracted tune(s)
Tune-6895-LadyGlasgow1.ps 54514 PostScript
Tune-6895-LadyGlasgow1.txt 2070 Plain-text file with the extracted tune(s)
Tune-6895-get.log 4852 Log file, useful mostly for debugging
These files should be available for 24 hours.