Musicians interested in collecting instruments usually desire the most unique and rare instruments they can find. Luckily, the instruments below are one-of-a-kind objects of music craftsmanship. Yes, these instruments are extremely rare and expensive. However, what's impressive about them are the materials they're made from.
There is an orchestra in Paraguay called the "Landfill Harmonic Orchestra." They pride themselves on playing only instruments custom made from trash and recycled goods.