pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-99041-21351_TULLYMET_HALL.ps) >>/Users/jc/w/tmp/Tune-99041-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/21351_TULLYMET_HALL.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_99041.log 263256 Log file, useful mostly for debugging
Sess-99041.log 9960 Log file, useful mostly for debugging
Tune-99041-21351_TULLYMET_HALL.abc 552 ABC music file with the extracted tune(s)
Tune-99041-21351_TULLYMET_HALL.ps 35262 PostScript
Tune-99041-21351_TULLYMET_HALL.txt 552 Plain-text file with the extracted tune(s)
Tune-99041-get.log 4673 Log file, useful mostly for debugging
These files should be available for 24 hours.