pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2730-Avila_Leblanc_1-D-16-2.ps) >>/Users/jc/w/tmp/Tune-2730-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Canada/reel/Avila_Leblanc_1-D-16-2.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_2730.log 64994 Log file, useful mostly for debugging
Coll_27303.log 64184 Log file, useful mostly for debugging
Tune-2730-Avila_Leblanc_1-D-16-2.abc 411 ABC music file with the extracted tune(s)
Tune-2730-Avila_Leblanc_1-D-16-2.ps 33201 PostScript
Tune-2730-Avila_Leblanc_1-D-16-2.txt 411 Plain-text file with the extracted tune(s)
Tune-2730-get.log 4504 Log file, useful mostly for debugging
Tune-27300-get.log 10328 Log file, useful mostly for debugging
These files should be available for 24 hours.