pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8756-0911_DUKE_OF_REICHSTADTS_MARCH.ps) >>/Users/jc/w/tmp/Tune-8756-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/BostonCollection/0911_DUKE_OF_REICHSTADTS_MARCH.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_87562.log 683811 Log file, useful mostly for debugging
Coll_87568.log 683810 Log file, useful mostly for debugging
Tune-8756-0911_DUKE_OF_REICHSTADTS_MARCH.abc 1325 ABC music file with the extracted tune(s)
Tune-8756-0911_DUKE_OF_REICHSTADTS_MARCH.ps 43155 PostScript
Tune-8756-0911_DUKE_OF_REICHSTADTS_MARCH.txt 1325 Plain-text file with the extracted tune(s)
Tune-8756-get.log 5060 Log file, useful mostly for debugging
Tune-87560-get.log 5339 Log file, useful mostly for debugging
Tune-87562-get.log 3204 Log file, useful mostly for debugging
Tune-87565-get.log 4597 Log file, useful mostly for debugging
Tune-87566-24CountryDances_1808_Goulding_AK.abc 172 ABC music file with the extracted tune(s)
Tune-87566-24CountryDances_1808_Goulding_AK.txt 172 Plain-text file with the extracted tune(s)
Tune-87566-get.log 7983 Log file, useful mostly for debugging
Tune-87569-get.log 5551 Log file, useful mostly for debugging
These files should be available for 24 hours.