pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4067-30633_Charlotte_Gordans_Reel.ps) >>/Users/jc/w/tmp/Tune-4067-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP3/30633_Charlotte_Gordans_Reel.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_40670.log 450010 Log file, useful mostly for debugging
Coll_40674.log 283410 Log file, useful mostly for debugging
Form_4067.log 858 Log file, useful mostly for debugging
Form_40670.log 1017 Log file, useful mostly for debugging
Form_40679.log 1058 Log file, useful mostly for debugging
Tune-4067-30633_Charlotte_Gordans_Reel.abc 727 ABC music file with the extracted tune(s)
Tune-4067-30633_Charlotte_Gordans_Reel.ps 35338 PostScript
Tune-4067-30633_Charlotte_Gordans_Reel.txt 727 Plain-text file with the extracted tune(s)
Tune-4067-get.log 5085 Log file, useful mostly for debugging
Tune-40670-get.log 1411 Log file, useful mostly for debugging
These files should be available for 24 hours.