pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6692-FiveLeavedCloverReel.ps) >>/Users/jc/w/tmp/Tune-6692-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ryan-cole/Tunes/FiveLeavedCloverReel.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-6692-10152_.abc 33 ABC music file with the extracted tune(s)
Tune-6692-10152_.pdf 2217 Portable Data Format
Tune-6692-10152_.ps 6 PostScript
Tune-6692-10152_.txt 33 Plain-text file with the extracted tune(s)
Tune-6692-FiveLeavedCloverReel.abc 455 ABC music file with the extracted tune(s)
Tune-6692-FiveLeavedCloverReel.ps 35248 PostScript
Tune-6692-FiveLeavedCloverReel.txt 455 Plain-text file with the extracted tune(s)
Tune-6692-get.log 9672 Log file, useful mostly for debugging
Tune-66921-JohnTreat_GftF1.abc 152 ABC music file with the extracted tune(s)
Tune-66921-JohnTreat_GftF1.ps 6 PostScript
Tune-66921-JohnTreat_GftF1.txt 152 Plain-text file with the extracted tune(s)
Tune-66921-get.log 7622 Log file, useful mostly for debugging
Tune-66924-WilliamShepherdsCollections.abc 163 ABC music file with the extracted tune(s)
Tune-66924-WilliamShepherdsCollections.ps 6 PostScript
Tune-66924-WilliamShepherdsCollections.txt 163 Plain-text file with the extracted tune(s)
Tune-66924-get.log 8949 Log file, useful mostly for debugging
Tune-66927-get.log 3169 Log file, useful mostly for debugging
These files should be available for 24 hours.