pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-42049-10282_Quick_Step_in_Tekeli.ps) >>/Users/jc/w/tmp/Tune-42049-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP1/10282_Quick_Step_in_Tekeli.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-42049-10282_Quick_Step_in_Tekeli.abc 976 ABC music file with the extracted tune(s)
Tune-42049-10282_Quick_Step_in_Tekeli.ps 36792 PostScript
Tune-42049-10282_Quick_Step_in_Tekeli.txt 976 Plain-text file with the extracted tune(s)
Tune-42049-get.log 4999 Log file, useful mostly for debugging
These files should be available for 24 hours.