pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5743-Pols_PaalKarl2.ps) >>/Users/jc/w/tmp/Tune-5743-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scand/Pols_PaalKarl2.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_57436.log 144095 Log file, useful mostly for debugging
Tune-5743-Pols_PaalKarl2.abc 843 ABC music file with the extracted tune(s)
Tune-5743-Pols_PaalKarl2.ps 41493 PostScript
Tune-5743-Pols_PaalKarl2.txt 843 Plain-text file with the extracted tune(s)
Tune-5743-get.log 4426 Log file, useful mostly for debugging
These files should be available for 24 hours.