Gorgeous 17 Keys Kalimba You just need to use two thumbs play to make a great sound. Easy to tune your kalimba Step 1: Find the Tuner You can use a real tuner or download an App. Android system app: gStrings, Apple system app: Instuner. Step 2. Tune with Harmmer Making tines longer to lower their pitch, and making them shorter to make their pitch higher. Tip:The kalimba is in tune when we sell it. We suggest you not tune it when you get it. Comfortable and portable Material: [body: Mahogany] + [keys: Carbon Steel] The key bend design is more suitable for finger plucked so that you could play it more smoothly.