specifically the fact that they're over an arpeggio of a different chord. (i'll totally accept "i just wrote random chords and it sounded good" as an answer btw)
random chords usually don't work. what seems to be happening in the bridge of long long journey is quite a common phenomenon. if the song is in F#, imagine we've jumped to the key of A except we're never using the 1 (A) chord. this happens all the time in these sorts of sections. Also it's not an arpeggio. it doesn't repeat