pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4525-Bob_o_Dowally_S.ps) >>/Users/jc/w/tmp/Tune-4525-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/strathspey/Bob_o_Dowally_S.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_45251.log 149462 Log file, useful mostly for debugging
Tune-4525-Bob_o_Dowally_S.abc 459 ABC music file with the extracted tune(s)
Tune-4525-Bob_o_Dowally_S.ps 35191 PostScript
Tune-4525-Bob_o_Dowally_S.txt 459 Plain-text file with the extracted tune(s)
Tune-4525-get.log 4370 Log file, useful mostly for debugging
These files should be available for 24 hours.