The end of the line "Hey baby, we're rolling on the road again" in the first verse has some kind of effect applied to it. I'm not sure if it's technically delay or echo, but in any case, it gives a sense of the recurring of "again." The same effect is at the end of the line "Hey baby, we're flyin' out across the world," giving a sense of breadth, and on the title line at ~2:46, giving a sense of that "more."
"Apart" in the lines "We gotta give it ev'rything we've got / 'Til the joint is fallin' apart" is sung with a melisma (C Eb D C), musically giving a sense of its meaning.
I don't know if this is coincidental or not, but the solo (at ~1:15) bears a striking resemblance in both intervals and rhythm to the vocal melody in the title song of Andrew Lloyd Webber's The Phantom of the Opera ("In sleep, he sang to me..."). The two parts are something like this: