pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-27738-Larry_Lynchs_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-27738-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/sfco.puckette.com/hornpipe/Larry_Lynchs_Hornpipe.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-27738-Larry_Lynchs_Hornpipe.abc 610 ABC music file with the extracted tune(s)
Tune-27738-Larry_Lynchs_Hornpipe.ps 36066 PostScript
Tune-27738-Larry_Lynchs_Hornpipe.txt 610 Plain-text file with the extracted tune(s)
Tune-27738-get.log 5205 Log file, useful mostly for debugging
These files should be available for 24 hours.