pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-93430-10211_EDINBURGH_REVIEW_WALTZ_3.ps) >>/Users/jc/w/tmp/Tune-93430-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/10211_EDINBURGH_REVIEW_WALTZ_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
Coll_93430.log 264661 Log file, useful mostly for debugging
Tune-93430-10211_EDINBURGH_REVIEW_WALTZ_3.abc 763 ABC music file with the extracted tune(s)
Tune-93430-10211_EDINBURGH_REVIEW_WALTZ_3.ps 37097 PostScript
Tune-93430-10211_EDINBURGH_REVIEW_WALTZ_3.txt 763 Plain-text file with the extracted tune(s)
Tune-93430-get.log 6350 Log file, useful mostly for debugging
These files should be available for 24 hours.