pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-19292-10151_LOVE_NOT_Quickstep.ps) >>/Users/jc/w/tmp/Tune-19292-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/10151_LOVE_NOT_Quickstep.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_19292.log 294166 Log file, useful mostly for debugging
Tune-19292-10151_LOVE_NOT_Quickstep.abc 1029 ABC music file with the extracted tune(s)
Tune-19292-10151_LOVE_NOT_Quickstep.ps 40939 PostScript
Tune-19292-10151_LOVE_NOT_Quickstep.txt 1029 Plain-text file with the extracted tune(s)
Tune-19292-get.log 4787 Log file, useful mostly for debugging
These files should be available for 24 hours.