Even if you don't know a ton of chords on the guitar, you can vastly increase the number of songs you can play by transposing them with a capo. This simple DIY wheel from Instructables will help you ...

Twenty years ago, 16-year-old guitar novices would have killed for this app when they were teaching themselves Nirvana and Pearl Jam songs in garages — by ear. Today’s kids can just use Capo 3… By ...