pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3769-SUENOS_STONE_New_High_Level_4.ps) >>/Users/jc/w/tmp/Tune-3769-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/sfco.puckette.com/reel/SUENOS_STONE_New_High_Level_4.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
Tune-3769-SUENOS_STONE_New_High_Level_4.abc 474 ABC music file with the extracted tune(s)
Tune-3769-SUENOS_STONE_New_High_Level_4.ps 36706 PostScript
Tune-3769-SUENOS_STONE_New_High_Level_4.txt 474 Plain-text file with the extracted tune(s)
Tune-3769-get.log 4956 Log file, useful mostly for debugging
Tune-37695-get.log 3111 Log file, useful mostly for debugging
These files should be available for 24 hours.