pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4013-Derek_and_Maureen_Haynes_1-Dm-32-8.ps) >>/Users/jc/w/tmp/Tune-4013-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/strathspey/Derek_and_Maureen_Haynes_1-Dm-32-8.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-4013-Derek_and_Maureen_Haynes_1-Dm-32-8.abc 1338 ABC music file with the extracted tune(s)
Tune-4013-Derek_and_Maureen_Haynes_1-Dm-32-8.ps 43576 PostScript
Tune-4013-Derek_and_Maureen_Haynes_1-Dm-32-8.txt 1338 Plain-text file with the extracted tune(s)
Tune-4013-get.log 5869 Log file, useful mostly for debugging
Tune-40136-Pumpkins_Fancy.abc 1123 ABC music file with the extracted tune(s)
Tune-40136-Pumpkins_Fancy.malt 6351 Musical Instrument Digital Interface, alternate name for midi format
Tune-40136-Pumpkins_Fancy.mid 6351 Musical Instrument Digital interface, shortened name for midi format
Tune-40136-Pumpkins_Fancy.midi 6351 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-40136-Pumpkins_Fancy.txt 1123 Plain-text file with the extracted tune(s)
Tune-40136-get.log 4622 Log file, useful mostly for debugging
These files should be available for 24 hours.