pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-94753-10611_Whipples_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-94753-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP1/10611_Whipples_Hornpipe.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_94753.log 275012 Log file, useful mostly for debugging
Tune-94753-10611_Whipples_Hornpipe.abc 691 ABC music file with the extracted tune(s)
Tune-94753-10611_Whipples_Hornpipe.ps 36538 PostScript
Tune-94753-10611_Whipples_Hornpipe.txt 691 Plain-text file with the extracted tune(s)
Tune-94753-get.log 17081 Log file, useful mostly for debugging
These files should be available for 24 hours.