pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-27270-Scottiche_de_Roquefort_C.ps) >>/Users/jc/w/tmp/Tune-27270-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/shottish/Scottiche_de_Roquefort_C.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_27270.log 1686 Log file, useful mostly for debugging
Tune-27270-Scottiche_de_Roquefort_C.abc 409 ABC music file with the extracted tune(s)
Tune-27270-Scottiche_de_Roquefort_C.ps 33303 PostScript
Tune-27270-Scottiche_de_Roquefort_C.txt 409 Plain-text file with the extracted tune(s)
Tune-27270-get.log 4782 Log file, useful mostly for debugging
These files should be available for 24 hours.