pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-65076-Pols_Misc1.ps) >>/Users/jc/w/tmp/Tune-65076-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scand/Pols_Misc1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-65076-Pols_Misc1.abc 1980 ABC music file with the extracted tune(s)
Tune-65076-Pols_Misc1.ps 53964 PostScript
Tune-65076-Pols_Misc1.txt 1980 Plain-text file with the extracted tune(s)
Tune-65076-Shottish03.abc 2121 ABC music file with the extracted tune(s)
Tune-65076-Shottish03.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-65076-Shottish03.ps 47650 PostScript
Tune-65076-Shottish03.txt 2121 Plain-text file with the extracted tune(s)
Tune-65076-get.log 9499 Log file, useful mostly for debugging
These files should be available for 24 hours.