pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8379-30381-Nonantum_Hornpipe-V1.ps) >>/Users/jc/w/tmp/Tune-8379-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP3/30381-Nonantum_Hornpipe-V1.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_83798.log 469609 Log file, useful mostly for debugging
Form_83799.log 959 Log file, useful mostly for debugging
Tune-8379-30381-Nonantum_Hornpipe-V1.abc 1556 ABC music file with the extracted tune(s)
Tune-8379-30381-Nonantum_Hornpipe-V1.ps 42332 PostScript
Tune-8379-30381-Nonantum_Hornpipe-V1.txt 1556 Plain-text file with the extracted tune(s)
Tune-8379-get.log 5115 Log file, useful mostly for debugging
Tune-83794-get.log 5690 Log file, useful mostly for debugging
Tune-83795-get.log 5454 Log file, useful mostly for debugging
These files should be available for 24 hours.