pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5665-SC01.ps) >>/Users/jc/w/tmp/Tune-5665-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Contra/SC01.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_56654.log 371440 Log file, useful mostly for debugging
Tune-5665-SC01.abc 1852 ABC music file with the extracted tune(s)
Tune-5665-SC01.ps 50170 PostScript
Tune-5665-SC01.txt 1852 Plain-text file with the extracted tune(s)
Tune-5665-get.log 4210 Log file, useful mostly for debugging
Tune-56653-get.log 9878 Log file, useful mostly for debugging
Tune-56654-get.log 3208 Log file, useful mostly for debugging
Tune-56657-get.log 4093 Log file, useful mostly for debugging
These files should be available for 24 hours.