pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-48133-My_Love_is_but_a_LassieO_1.ps) >>/Users/jc/w/tmp/Tune-48133-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/kirby98.fsnet.co.uk/my/My_Love_is_but_a_LassieO_1.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-48133-My_Love_is_but_a_LassieO_1.abc 526 ABC music file with the extracted tune(s)
Tune-48133-My_Love_is_but_a_LassieO_1.ps 38108 PostScript
Tune-48133-My_Love_is_but_a_LassieO_1.txt 526 Plain-text file with the extracted tune(s)
Tune-48133-get.log 8606 Log file, useful mostly for debugging
These files should be available for 24 hours.