I don't hear that on the lyric - I hear prime, prime, descending major 3rd on the words "I found your".
I didn't get my guitar out to try it, but the intro that plays base note/chord could well be G to Gmaj7 (which would contain an F#) - anyone?
In any event - I find the major 7th interval so distinctive (both ascending & descending) that it is one of the easiest intervals to identify, so I've given up looking for a song to match.