pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-55947-SolomonLevi.ps) >>/Users/jc/w/tmp/Tune-55947-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/contra/SolomonLevi.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_55947.log 281520 Log file, useful mostly for debugging
Tune-55947-SolomonLevi.abc 876 ABC music file with the extracted tune(s)
Tune-55947-SolomonLevi.ps 39290 PostScript
Tune-55947-SolomonLevi.txt 876 Plain-text file with the extracted tune(s)
Tune-55947-get.log 4360 Log file, useful mostly for debugging
These files should be available for 24 hours.