pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6948-2011_Cadgers_in_the_Conongate.ps) >>/Users/jc/w/tmp/Tune-6948-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ACMV/2011_Cadgers_in_the_Conongate.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_69485.log 1678 Log file, useful mostly for debugging
Form_69486.log 2554 Log file, useful mostly for debugging
Form_69487.log 948 Log file, useful mostly for debugging
Tune-6948-2011_Cadgers_in_the_Conongate.abc 1001 ABC music file with the extracted tune(s)
Tune-6948-2011_Cadgers_in_the_Conongate.ps 36433 PostScript
Tune-6948-2011_Cadgers_in_the_Conongate.txt 1001 Plain-text file with the extracted tune(s)
Tune-6948-get.log 16640 Log file, useful mostly for debugging
Tune-69481-get.log 10123 Log file, useful mostly for debugging
Tune-69488-get.log 4400 Log file, useful mostly for debugging
These files should be available for 24 hours.