pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6488-Sekstur.ps) >>/Users/jc/w/tmp/Tune-6488-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/scand/Sekstur.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_64880.log 284330 Log file, useful mostly for debugging
Coll_64883.log 277305 Log file, useful mostly for debugging
Coll_64886.log 288545 Log file, useful mostly for debugging
Coll_64889.log 316648 Log file, useful mostly for debugging
Tune-6488-Sekstur.abc 1501 ABC music file with the extracted tune(s)
Tune-6488-Sekstur.ps 46356 PostScript
Tune-6488-Sekstur.txt 1501 Plain-text file with the extracted tune(s)
Tune-6488-get.log 4233 Log file, useful mostly for debugging
Tune-64880-get.log 1440 Log file, useful mostly for debugging
Tune-64882-get.log 3244 Log file, useful mostly for debugging
Tune-64884-get.log 1429 Log file, useful mostly for debugging
These files should be available for 24 hours.