pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-14210-30681_Lady_Lucy_Campbells_Strathspey.ps) >>/Users/jc/w/tmp/Tune-14210-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP3/30681_Lady_Lucy_Campbells_Strathspey.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_14210.log 897 Log file, useful mostly for debugging
Tune-14210-30681_Lady_Lucy_Campbells_Strathspey.abc 917 ABC music file with the extracted tune(s)
Tune-14210-30681_Lady_Lucy_Campbells_Strathspey.ps 39639 PostScript
Tune-14210-30681_Lady_Lucy_Campbells_Strathspey.txt 917 Plain-text file with the extracted tune(s)
Tune-14210-get.log 5463 Log file, useful mostly for debugging
These files should be available for 24 hours.