pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9584-10891_GEM_SCHOTTISCHE.ps) >>/Users/jc/w/tmp/Tune-9584-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/10891_GEM_SCHOTTISCHE.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_95840.log 253421 Log file, useful mostly for debugging
Coll_95846.log 264661 Log file, useful mostly for debugging
Tune-9584-10891_GEM_SCHOTTISCHE.abc 655 ABC music file with the extracted tune(s)
Tune-9584-10891_GEM_SCHOTTISCHE.ps 37837 PostScript
Tune-9584-10891_GEM_SCHOTTISCHE.txt 655 Plain-text file with the extracted tune(s)
Tune-9584-get.log 8108 Log file, useful mostly for debugging
Tune-95840-get.log 17179 Log file, useful mostly for debugging
Tune-95845-024_Pollys_Piano-001.svg 8151 Scalable Vector Graphics format
Tune-95845-024_Pollys_Piano.abc 690 ABC music file with the extracted tune(s)
Tune-95845-024_Pollys_Piano.txt 690 Plain-text file with the extracted tune(s)
Tune-95845-get.log 4259 Log file, useful mostly for debugging
Tune-95849-get.log 1592 Log file, useful mostly for debugging
These files should be available for 24 hours.