X:75 not found in http://www.parkswhistles.com/abc/abcweb/abcf/Careys Tune Book.abc
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5483-Careys.ps) >>/Users/jc/w/tmp/Tune-5483-get.log 2>&1" returned status 256
http://www.parkswhistles.com/abc/abcweb/abcf/Careys Tune Book.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_54837.log 856 Log file, useful mostly for debugging
Tune-5483-Careys.abc 0 ABC music file with the extracted tune(s)
Tune-5483-Careys.ps 6 PostScript
Tune-5483-Careys.txt 0 Plain-text file with the extracted tune(s)
Tune-5483-get.log 10215 Log file, useful mostly for debugging
Tune-54830-Pretty_Peggy_.abc 281 ABC music file with the extracted tune(s)
Tune-54830-Pretty_Peggy_.ps 30904 PostScript
Tune-54830-Pretty_Peggy_.txt 281 Plain-text file with the extracted tune(s)
Tune-54830-get.log 4240 Log file, useful mostly for debugging
Tune-54832-get.log 3061 Log file, useful mostly for debugging
Tune-54836-get.log 1390 Log file, useful mostly for debugging
Tune-54837-get.log 4839 Log file, useful mostly for debugging
These files should be available for 24 hours.