pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7498-Clog_de_Champagne_A.ps) >>/Users/jc/w/tmp/Tune-7498-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/hornpipe/Clog_de_Champagne_A.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_74985.log 247799 Log file, useful mostly for debugging
Tune-7498-Clog_de_Champagne_A.abc 665 ABC music file with the extracted tune(s)
Tune-7498-Clog_de_Champagne_A.ps 36593 PostScript
Tune-7498-Clog_de_Champagne_A.txt 665 Plain-text file with the extracted tune(s)
Tune-7498-get.log 4630 Log file, useful mostly for debugging
Tune-74980-get.log 4220 Log file, useful mostly for debugging
Tune-74988-get.log 4366 Log file, useful mostly for debugging
These files should be available for 24 hours.