[abzurd]

I'm not sure I'm following, but what I'm suggesting means you never have to move off the search field. You start typing the song name and once your song shows up and is highlighted, you hit enter. The song is added to the set list and the search clears, and the cursor goes back to the beginning of the field so you can enter the next song.  When copying a list your given there is no wasted motion, saving almost 1/2 the time.