pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6574-RG_Octomystic.ps) >>/Users/jc/w/tmp/Tune-6574-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/England/RG_Octomystic.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-6574-RG_Octomystic.abc 1318 ABC music file with the extracted tune(s)
Tune-6574-RG_Octomystic.ps 35904 PostScript
Tune-6574-RG_Octomystic.txt 1318 Plain-text file with the extracted tune(s)
Tune-6574-get.log 4378 Log file, useful mostly for debugging
Tune-65746-DukeOfPerth2.abc 2098 ABC music file with the extracted tune(s)
Tune-65746-DukeOfPerth2.pdf 44962 Portable Data Format
Tune-65746-DukeOfPerth2.ps 45659 PostScript
Tune-65746-DukeOfPerth2.txt 2098 Plain-text file with the extracted tune(s)
Tune-65746-get.log 5690 Log file, useful mostly for debugging
Tune-65747-CharleyStuartStr-001.svg 66816 Scalable Vector Graphics format
Tune-65747-CharleyStuartStr.abc 1891 ABC music file with the extracted tune(s)
Tune-65747-CharleyStuartStr.txt 1891 Plain-text file with the extracted tune(s)
Tune-65747-get.log 7373 Log file, useful mostly for debugging
These files should be available for 24 hours.