pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-39187-090_la_Gigue_Anglaise.ps) >>/Users/jc/w/tmp/Tune-39187-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Stewart/SCAJMR/090_la_Gigue_Anglaise.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-39187-090_la_Gigue_Anglaise.abc 586 ABC music file with the extracted tune(s)
Tune-39187-090_la_Gigue_Anglaise.ps 34083 PostScript
Tune-39187-090_la_Gigue_Anglaise.txt 586 Plain-text file with the extracted tune(s)
Tune-39187-get.log 4763 Log file, useful mostly for debugging
These files should be available for 24 hours.