pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7360-SmithsReelNr2.ps) >>/Users/jc/w/tmp/Tune-7360-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Contra/SmithsReelNr2.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_7360.log 249206 Log file, useful mostly for debugging
Coll_73605.log 252015 Log file, useful mostly for debugging
Coll_73609.log 306810 Log file, useful mostly for debugging
Form_73601.log 1151 Log file, useful mostly for debugging
Form_73604.log 1746 Log file, useful mostly for debugging
Form_73605.log 867 Log file, useful mostly for debugging
Tune-7360-SmithsReelNr2.abc 1885 ABC music file with the extracted tune(s)
Tune-7360-SmithsReelNr2.ps 46028 PostScript
Tune-7360-SmithsReelNr2.txt 1885 Plain-text file with the extracted tune(s)
Tune-7360-get.log 6270 Log file, useful mostly for debugging
Tune-73600-get.log 8800 Log file, useful mostly for debugging
Tune-73602-get.log 9459 Log file, useful mostly for debugging
Tune-73603-get.log 1346 Log file, useful mostly for debugging
Tune-73604-get.log 3704 Log file, useful mostly for debugging
Tune-73605-get.log 1361 Log file, useful mostly for debugging
Tune-73609-get.log 1382 Log file, useful mostly for debugging
These files should be available for 24 hours.