From the menu that lists the songs, highlight the studio version of SYCMIOYO. Then left arrow twice. Down once. Right once. Up once. You should get an X appear. If you press enter on that, you get to see Bono's handwritten lyrics for the song.
For now it is, love. How people find those things are pure luck it seems....hit random buttons until something happens, and then try and remember what the hell you pushed.