Everyone knows that your average rock star has to dedicate his or her time equally to two main things: the music; and their legions of adoring and slightly easy fans. Well, with the new Gigway pen, they’ll have more time to dedicate to the latter. The ‘pen’ is actually not for writing at all, but rather scans and reads sheets music and then plays it back to you so that you know how its meant to be heard. No more wondering how that suspended ninth is supposed to sound! Just run the Gigway pen over the music and let it do its magic. On top of this, the Gigway can play back sound through headphones or its set of included…