Depeche Mode guitarist Martin Gore Photograph: Guido Manuilo/EPA
   These days, titles like Guitar Hero and Rock Band have vast collections of compatible tracks, allowing you to play along with just about any favourite rock song you can remember while drunk at three in the morning holding a guitar controller in one hand and a luke warm bottle of San Miguel in the other. Well, almost any favourite rock song.
   If, however, you fancy strumming along to, say, Street Spirit by Radiohead, or Whole Lotta Love by Led Zeppelin, or One by U2, you'll be out of luck (unless I've missed something) – none of them are available in either Activision's or EA's roster of tracks.
    So the question is – what are the best guitar tracks never to have appeared officially in a big music game? You don't need to have complete recall of every track available for Rock Band and Guitar Hero – just let us know the one's you don't think you've seen; we'll sort them all out. And they can't be too obscure. Think neglected classics and modern crowd-pleasers, rather than that Jizard Lizard b-side you once heard John Peel play.
    And for once, your Friday Question input actually matters. Because we're working on something of a surprise – an exclusive little treat for Guardian readers; something that's never been done before. I can't say any more because I'm embargoed up to my eyeballs. Just get your suggestions in and let's see how this goes...