“I wish life were more like a musical, so when I burst into song at the bus stop, people would stop staring at me. It might also make them more inclined to learn the chorus and the dance numbers.” 

                                                                       Putting "haha" in your sentence   ,make iy seem less serious.

ex:I love you,haha!!.
     

                                                                   NEVER...bither a girl listening to her iPod.She wants to be alone;
-not bothered .She is in her own world;where the only thing going trough her head is MUSIC.A world ehre wories not exist.She's tuning the whole  'real'world out.