pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-81228-143_Le_Carillon_dun_Ker_que.ps) >>/Users/jc/w/tmp/Tune-81228-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Landrin/Potpourri/save/143_Le_Carillon_dun_Ker_que.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_81228.log 741 Log file, useful mostly for debugging
Tune-81228-143_Le_Carillon_dun_Ker_que.abc 661 ABC music file with the extracted tune(s)
Tune-81228-143_Le_Carillon_dun_Ker_que.ps 35329 PostScript
Tune-81228-143_Le_Carillon_dun_Ker_que.txt 661 Plain-text file with the extracted tune(s)
Tune-81228-get.log 4744 Log file, useful mostly for debugging
These files should be available for 24 hours.