pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-45302-BraesOfBreadalbane2_C_JC.ps) >>/Users/jc/w/tmp/Tune-45302-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book21/BraesOfBreadalbane2_C_JC.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
Form_45302.log 1728 Log file, useful mostly for debugging
Tune-45302-BraesOfBreadalbane2_C_JC.abc 518 ABC music file with the extracted tune(s)
Tune-45302-BraesOfBreadalbane2_C_JC.ps 37266 PostScript
Tune-45302-BraesOfBreadalbane2_C_JC.txt 518 Plain-text file with the extracted tune(s)
Tune-45302-get.log 4782 Log file, useful mostly for debugging
These files should be available for 24 hours.