pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8564-2282_Duke_of_Atholes_Strathspey.ps) >>/Users/jc/w/tmp/Tune-8564-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CSR/2282_Duke_of_Atholes_Strathspey.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_85640.log 437409 Log file, useful mostly for debugging
Coll_85642.log 445809 Log file, useful mostly for debugging
Coll_85646.log 441611 Log file, useful mostly for debugging
Coll_85648.log 444410 Log file, useful mostly for debugging
Form_85640.log 989 Log file, useful mostly for debugging
Tune-8564-2282_Duke_of_Atholes_Strathspey.abc 922 ABC music file with the extracted tune(s)
Tune-8564-2282_Duke_of_Atholes_Strathspey.ps 38707 PostScript
Tune-8564-2282_Duke_of_Atholes_Strathspey.txt 922 Plain-text file with the extracted tune(s)
Tune-8564-get.log 5057 Log file, useful mostly for debugging
Tune-85641-get.log 5993 Log file, useful mostly for debugging
Tune-85642-get.log 1424 Log file, useful mostly for debugging
Tune-85646-get.log 4683 Log file, useful mostly for debugging
Tune-85649-get.log 1511 Log file, useful mostly for debugging
These files should be available for 24 hours.