The world is full of amazing stuff we’ve never even heard of. Today we list our top picks for some of the most bizarre musical instruments on the planet. Here goes: First stop, The Singing Ringing Tree. It’s more of a fixed sculpture than an instrument but then again, so are wind pipes, kind of. The massive musical monument is situated at Crown Point above the town of Burnley, Lancashire, United Kingdom. Built by artists Mike Tonkin and Anna Liu,…