pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-60319-Carolynns_Waltz-D-128-7.ps) >>/Users/jc/w/tmp/Tune-60319-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/session/waltz/Carolynns_Waltz-D-128-7.abc

Error exit status 256; here are some files to check:

[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_60319.log 66614 Log file, useful mostly for debugging
Tune-60319-Carolynns_Waltz-D-128-7.abc 1036 ABC music file with the extracted tune(s)
Tune-60319-Carolynns_Waltz-D-128-7.ps 41555 PostScript
Tune-60319-Carolynns_Waltz-D-128-7.txt 1036 Plain-text file with the extracted tune(s)
Tune-60319-get.log 4620 Log file, useful mostly for debugging
These files should be available for 24 hours.