There are a slew of keyboards and apps that help people learn how to play the piano, but a small company called PopuMusic is showing off an intriguing set of products at CES to make the process easier. PartyKeys and PartyStudio are a 36-key MIDI keyboard and MIDI / Bluetooth speaker that pair together in seamless fashion. The PartyStudio is particularly interesting because it has a built-in library of 128 instrument tones and more than 50 different drum machine patterns. Naturally, it works with the PartyKeys, but any MIDI keyboard can connect to it and use those sounds. The PartyStudio and PartyKeys both use NFC to connect to each other — you can just tap and hold the keyboard up to the speaker for pairing. You can connect up to three devices using MIDI over Bluetooth Low-Energy (BLE MIDI) as well as a fourth using a wired connection. If you have more than one keyboard, meanwhile, you can connect them together with NFC as well — you can pair three keyboards together total, giving you a huge 108-
