pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5535-DuchessOfYork.ps) >>/Users/jc/w/tmp/Tune-5535-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/DuchessOfYork.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_5535.log 287140 Log file, useful mostly for debugging
Coll_55350.log 284330 Log file, useful mostly for debugging
Coll_55353.log 281520 Log file, useful mostly for debugging
Tune-5535-DuchessOfYork.abc 1897 ABC music file with the extracted tune(s)
Tune-5535-DuchessOfYork.ps 52991 PostScript
Tune-5535-DuchessOfYork.txt 1897 Plain-text file with the extracted tune(s)
Tune-5535-get.log 4876 Log file, useful mostly for debugging
Tune-55350-FF_song1.abc 1535 ABC music file with the extracted tune(s)
Tune-55350-FF_song1.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-55350-FF_song1.ps 42149 PostScript
Tune-55350-FF_song1.txt 1535 Plain-text file with the extracted tune(s)
Tune-55350-get.log 8717 Log file, useful mostly for debugging
Tune-55357-BobOfFettercairn2.abc 1560 ABC music file with the extracted tune(s)
Tune-55357-BobOfFettercairn2.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-55357-BobOfFettercairn2.ps 44765 PostScript
Tune-55357-BobOfFettercairn2.txt 1560 Plain-text file with the extracted tune(s)
Tune-55357-get.log 5819 Log file, useful mostly for debugging
Tune-55358-Pols_Misc1.abc 1980 ABC music file with the extracted tune(s)
Tune-55358-Pols_Misc1.pdf 50311 Portable Data Format
Tune-55358-Pols_Misc1.ps 53964 PostScript
Tune-55358-Pols_Misc1.txt 1980 Plain-text file with the extracted tune(s)
Tune-55358-SavilaSeBelaLoza_A-001.svg 14425 Scalable Vector Graphics format
Tune-55358-SavilaSeBelaLoza_A.abc 486 ABC music file with the extracted tune(s)
Tune-55358-SavilaSeBelaLoza_A.txt 486 Plain-text file with the extracted tune(s)
Tune-55358-get.log 9300 Log file, useful mostly for debugging
Tune-55359-DrookitMousie-001.svg 1625 Scalable Vector Graphics format
Tune-55359-DrookitMousie.abc 202 ABC music file with the extracted tune(s)
Tune-55359-DrookitMousie.txt 202 Plain-text file with the extracted tune(s)
Tune-55359-get.log 4450 Log file, useful mostly for debugging
These files should be available for 24 hours.