pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-37142-176_Managers_Contention.ps) >>/Users/jc/w/tmp/Tune-37142-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Straight_Skillern/176_Managers_Contention.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-37142-176_Managers_Contention.abc 794 ABC music file with the extracted tune(s)
Tune-37142-176_Managers_Contention.ps 34096 PostScript
Tune-37142-176_Managers_Contention.txt 794 Plain-text file with the extracted tune(s)
Tune-37142-SSEIFA.abc 653 ABC music file with the extracted tune(s)
Tune-37142-SSEIFA.malt 1745 Musical Instrument Digital Interface, alternate name for midi format
Tune-37142-SSEIFA.mid 1745 Musical Instrument Digital interface, shortened name for midi format
Tune-37142-SSEIFA.midi 1745 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-37142-SSEIFA.txt 653 Plain-text file with the extracted tune(s)
Tune-37142-get.log 192180 Log file, useful mostly for debugging
These files should be available for 24 hours.