pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-15894-007_Air_Harlequin_Ranger.ps) >>/Users/jc/w/tmp/Tune-15894-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Stewart/SCAJMR/007_Air_Harlequin_Ranger.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Form_15894.log 857 Log file, useful mostly for debugging
Tune-15894-007_Air_Harlequin_Ranger.abc 590 ABC music file with the extracted tune(s)
Tune-15894-007_Air_Harlequin_Ranger.ps 33818 PostScript
Tune-15894-007_Air_Harlequin_Ranger.txt 590 Plain-text file with the extracted tune(s)
Tune-15894-get.log 4839 Log file, useful mostly for debugging
These files should be available for 24 hours.