pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-10172-1_Tom_Thumb.ps) >>/Users/jc/w/tmp/Tune-10172-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/RobertPurdie/TomThumb/1_Tom_Thumb.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-10172-1_Tom_Thumb.abc 1015 ABC music file with the extracted tune(s)
Tune-10172-1_Tom_Thumb.ps 35653 PostScript
Tune-10172-1_Tom_Thumb.txt 1015 Plain-text file with the extracted tune(s)
Tune-10172-Cuckolds_all_a_row.abc 489 ABC music file with the extracted tune(s)
Tune-10172-Cuckolds_all_a_row.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-10172-Cuckolds_all_a_row.ps 33629 PostScript
Tune-10172-Cuckolds_all_a_row.txt 489 Plain-text file with the extracted tune(s)
Tune-10172-get.log 9992 Log file, useful mostly for debugging
These files should be available for 24 hours.