Searching in tags

I might be being incredibly stupid, but is there any way to search in mp3tag to bring up, say composersort tags containing "DJ" for example.

Many thanks

You have to look for "Filter" as this function reduces the list of already loaded files to those which match the criteria.

To find the DJ enter something like
%composersort% HAS DJ

Thank you! I was being stupid! Looking for the word search instead of filter!