pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-24372-Snar_aa_ta_aat.ps) >>/Users/jc/w/tmp/Tune-24372-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/scand/Snar_aa_ta_aat.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_24372.log 824 Log file, useful mostly for debugging
Tune-24372-Snar_aa_ta_aat.abc 831 ABC music file with the extracted tune(s)
Tune-24372-Snar_aa_ta_aat.ps 39111 PostScript
Tune-24372-Snar_aa_ta_aat.txt 831 Plain-text file with the extracted tune(s)
Tune-24372-get.log 7279 Log file, useful mostly for debugging
These files should be available for 24 hours.