pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8803-182.ps) >>/Users/jc/w/tmp/Tune-8803-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EverydaySongBook/182=Evening_Hymn-V2.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_8803.log 958369 Log file, useful mostly for debugging
Coll_88032.log 1444750 Log file, useful mostly for debugging
Find_8803.log 1446 Log file, useful mostly for debugging
Form_88038.log 835 Log file, useful mostly for debugging
Form_88039.log 821 Log file, useful mostly for debugging
Tune-8803-182.abc 1285 ABC music file with the extracted tune(s)
Tune-8803-182.ps 36218 PostScript
Tune-8803-182.txt 1285 Plain-text file with the extracted tune(s)
Tune-8803-get.log 4910 Log file, useful mostly for debugging
Tune-88032-get.log 5012 Log file, useful mostly for debugging
Tune-88034-get.log 1276 Log file, useful mostly for debugging
Tune-88035-get.log 4068 Log file, useful mostly for debugging
These files should be available for 24 hours.