pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2624-MineapolisHornpipe.ps) >>/Users/jc/w/tmp/Tune-2624-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ryan-cole/Tunes/MineapolisHornpipe.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_2624.log 801078 Log file, useful mostly for debugging
Coll_26243.log 668412 Log file, useful mostly for debugging
Tune-2624-MineapolisHornpipe.abc 587 ABC music file with the extracted tune(s)
Tune-2624-MineapolisHornpipe.ps 37717 PostScript
Tune-2624-MineapolisHornpipe.txt 587 Plain-text file with the extracted tune(s)
Tune-2624-get.log 4693 Log file, useful mostly for debugging
Tune-26240-get.log 27181 Log file, useful mostly for debugging
Tune-26243-get.log 4741 Log file, useful mostly for debugging
Tune-26246-get.log 5528 Log file, useful mostly for debugging
Tune-26247-get.log 5769 Log file, useful mostly for debugging
Tune-26248-SCD_Book49-V1.abc 150 ABC music file with the extracted tune(s)
Tune-26248-SCD_Book49-V1.pdf 2217 Portable Data Format
Tune-26248-SCD_Book49-V1.ps 6 PostScript
Tune-26248-SCD_Book49-V1.txt 150 Plain-text file with the extracted tune(s)
Tune-26248-get.log 4969 Log file, useful mostly for debugging
These files should be available for 24 hours.