pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5054-AmericanPatrol.ps) >>/Users/jc/w/tmp/Tune-5054-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Contra/AmericanPatrol.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_50545.log 354580 Log file, useful mostly for debugging
Tune-5054-AmericanPatrol.abc 2143 ABC music file with the extracted tune(s)
Tune-5054-AmericanPatrol.ps 48876 PostScript
Tune-5054-AmericanPatrol.txt 2143 Plain-text file with the extracted tune(s)
Tune-5054-get.log 9565 Log file, useful mostly for debugging
Tune-50540-WindUpReel.abc 422 ABC music file with the extracted tune(s)
Tune-50540-WindUpReel.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-50540-WindUpReel.ps 35585 PostScript
Tune-50540-WindUpReel.txt 422 Plain-text file with the extracted tune(s)
Tune-50540-get.log 5302 Log file, useful mostly for debugging
Tune-50541-CityLifeClog.abc 564 ABC music file with the extracted tune(s)
Tune-50541-CityLifeClog.ps 38458 PostScript
Tune-50541-CityLifeClog.txt 564 Plain-text file with the extracted tune(s)
Tune-50541-get.log 4674 Log file, useful mostly for debugging
Tune-50545-get.log 4765 Log file, useful mostly for debugging
Tune-50549-BagOfMealThe.abc 374 ABC music file with the extracted tune(s)
Tune-50549-BagOfMealThe.pdf 15805 Portable Data Format
Tune-50549-BagOfMealThe.ps 34323 PostScript
Tune-50549-BagOfMealThe.txt 374 Plain-text file with the extracted tune(s)
Tune-50549-get.log 5917 Log file, useful mostly for debugging
These files should be available for 24 hours.