pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6251-KeyToTheCellar.ps) >>/Users/jc/w/tmp/Tune-6251-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/england/KeyToTheCellar.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_62512.log 1310360 Log file, useful mostly for debugging
Coll_62514.log 275900 Log file, useful mostly for debugging
Coll_62516.log 135710 Log file, useful mostly for debugging
Tune-6251-KeyToTheCellar.abc 1006 ABC music file with the extracted tune(s)
Tune-6251-KeyToTheCellar.ps 34814 PostScript
Tune-6251-KeyToTheCellar.txt 1006 Plain-text file with the extracted tune(s)
Tune-6251-get.log 6443 Log file, useful mostly for debugging
Tune-62511-get.log 1257 Log file, useful mostly for debugging
Tune-62512-get.log 4934 Log file, useful mostly for debugging
Tune-62516-1121_Sir_John_Whitefoordes_Strathspey-001.svg 27669 Scalable Vector Graphics format
Tune-62516-1121_Sir_John_Whitefoordes_Strathspey.abc 933 ABC music file with the extracted tune(s)
Tune-62516-1121_Sir_John_Whitefoordes_Strathspey.txt 933 Plain-text file with the extracted tune(s)
Tune-62516-get.log 4743 Log file, useful mostly for debugging
Tune-62519-get.log 5875 Log file, useful mostly for debugging
These files should be available for 24 hours.