pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8571-Constitution_Hp_F_TT.ps) >>/Users/jc/w/tmp/Tune-8571-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/hornpipe/Constitution_Hp_F_TT.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_85710.log 325075 Log file, useful mostly for debugging
Coll_85716.log 1059527 Log file, useful mostly for debugging
Tune-8571-Constitution_Hp_F_TT.abc 472 ABC music file with the extracted tune(s)
Tune-8571-Constitution_Hp_F_TT.ps 35124 PostScript
Tune-8571-Constitution_Hp_F_TT.txt 472 Plain-text file with the extracted tune(s)
Tune-8571-get.log 4668 Log file, useful mostly for debugging
Tune-85718-Kulkurin_Masurkka_Gm-001.svg 21457 Scalable Vector Graphics format
Tune-85718-Kulkurin_Masurkka_Gm.abc 570 ABC music file with the extracted tune(s)
Tune-85718-Kulkurin_Masurkka_Gm.txt 570 Plain-text file with the extracted tune(s)
Tune-85718-get.log 4846 Log file, useful mostly for debugging
These files should be available for 24 hours.