"Paranoia" is sung by Hatsune Miku (初音ミク) who is a singing synthesizer application with a humanoid persona, developed by Crypton Future Media. It uses Yamaha Corporation's Vocaloid 2 and Vocaloid 3 synthesizing technology. She was the second Vocaloid sold using the Vocaloid 2 engine, and the first Japanese Vocaloid to use the Japanese version of the Vocaloid 2 engine. Her voice is sampled from Japanese voice actress, Saki Fujita. Hatsune Miku has performed at her concerts onstage as an animated projection. Hatsune Miku is portrayed to be a 16-year-old girl with long turquoise pigtails.
"Paranoia" is well known by people and if you like it, you can also download free Paranoia sheet music to play with Everyone Piano. Just Enjoy It!