pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-55599-10251_LANCERS_QUADRILLES_Part_3.ps) >>/Users/jc/w/tmp/Tune-55599-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/10251_LANCERS_QUADRILLES_Part_3.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_55599.log 1791 Log file, useful mostly for debugging
Tune-55599-10251_LANCERS_QUADRILLES_Part_3.abc 537 ABC music file with the extracted tune(s)
Tune-55599-10251_LANCERS_QUADRILLES_Part_3.ps 35210 PostScript
Tune-55599-10251_LANCERS_QUADRILLES_Part_3.txt 537 Plain-text file with the extracted tune(s)
Tune-55599-21893_SCOTCH_HORNPIPE.abc 589 ABC music file with the extracted tune(s)
Tune-55599-21893_SCOTCH_HORNPIPE.pdf 15298 Portable Data Format
Tune-55599-21893_SCOTCH_HORNPIPE.ps 36306 PostScript
Tune-55599-21893_SCOTCH_HORNPIPE.txt 589 Plain-text file with the extracted tune(s)
Tune-55599-get.log 13911 Log file, useful mostly for debugging
These files should be available for 24 hours.