pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1293-hnsong1.ps) >>/Users/jc/w/tmp/Tune-1293-get.log 2>&1" returned status 256
http://www.norbeck.nu/abc/i/hnsong1.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_12937.log 135547 Log file, useful mostly for debugging
Tune-1293-get.log 27253 Log file, useful mostly for debugging
Tune-1293-hnsong1.abc 1351 ABC music file with the extracted tune(s)
Tune-1293-hnsong1.ps 36030 PostScript
Tune-1293-hnsong1.txt 1351 Plain-text file with the extracted tune(s)
Tune-12933-get.log 1349 Log file, useful mostly for debugging
Tune-12934-get.log 1396 Log file, useful mostly for debugging
These files should be available for 24 hours.