pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-87398-John_Rea_the_Drummer_5_6_are_2nds_for_lines_3_4_7_is_2nds_for_4_1.ps) >>/Users/jc/w/tmp/Tune-87398-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/corneymusers/John_Rea_the_Drummer_5_6_are_2nds_for_lines_3_4_7_is_2nds_for_4_1.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
Tune-87398-John_Rea_the_Drummer_5_6_are_2nds_for_lines_3_4_7_is_2nds_for_4_1.abc 767 ABC music file with the extracted tune(s)
Tune-87398-John_Rea_the_Drummer_5_6_are_2nds_for_lines_3_4_7_is_2nds_for_4_1.ps 39989 PostScript
Tune-87398-John_Rea_the_Drummer_5_6_are_2nds_for_lines_3_4_7_is_2nds_for_4_1.txt 767 Plain-text file with the extracted tune(s)
Tune-87398-get.log 6531 Log file, useful mostly for debugging
These files should be available for 24 hours.