The Yamaha PSR-S950 is a professional 61-key arranger workstation featuring over 1,000 instrument voices, including highly realistic Super Articulation and Mega Voices. It offers robust audio capabilities, including USB audio playback/recording, Vocal Harmony 2, and 25 dedicated Audio Styles that utilize actual studio recordings for live backing. Voices & Styles: 408 accompaniment styles, plus a wide variety of instrument types (62 Super Articulation, 23 Mega, 20 Organ Flutes). Audio Features: Ability to time-stretch, pitch-shift, and cancel vocals on standard WAV audio files. Microphone Input & Vocal Harmony: Includes a dedicated mic input with Vocal Harmony 2, which adds up to 3-part backing vocals to your singing. Expandability: Features internal memory (approx. 64 MB) for Voice and Style expansion packs so you can add global musi ...