pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5468-30642_Maine_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-5468-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP3/30642_Maine_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_54682.log 461210 Log file, useful mostly for debugging
Form_54684.log 867 Log file, useful mostly for debugging
Tune-5468-30642_Maine_Hornpipe.abc 741 ABC music file with the extracted tune(s)
Tune-5468-30642_Maine_Hornpipe.ps 35583 PostScript
Tune-5468-30642_Maine_Hornpipe.txt 741 Plain-text file with the extracted tune(s)
Tune-5468-get.log 4915 Log file, useful mostly for debugging
Tune-54689-get.log 17145 Log file, useful mostly for debugging
These files should be available for 24 hours.