pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5802-NEFRX.ps) >>/Users/jc/w/tmp/Tune-5802-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Contra/NEFRX.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_58020.log 374250 Log file, useful mostly for debugging
Tune-5802-NEFRX.abc 76790 ABC music file with the extracted tune(s)
Tune-5802-NEFRX.ps 826544 PostScript
Tune-5802-NEFRX.txt 76790 Plain-text file with the extracted tune(s)
Tune-5802-get.log 88523 Log file, useful mostly for debugging
Tune-58024-FerryBridgeHornpipe-001.svg 29123 Scalable Vector Graphics format
Tune-58024-FerryBridgeHornpipe.abc 730 ABC music file with the extracted tune(s)
Tune-58024-FerryBridgeHornpipe.txt 730 Plain-text file with the extracted tune(s)
Tune-58024-get.log 4361 Log file, useful mostly for debugging
Tune-58027-get.log 4909 Log file, useful mostly for debugging
These files should be available for 24 hours.