Check the listing for details. KORG EK-50 CSA 61-Key Arranger Keyboard. Color: Black, Condition: New. Listed at 499.99 USD. The Korg EK-50 CSA Arranger Keyboard features inspiring styles and sounds focused on popular music in Latin America. The EK-50 CSA builds on the success of the original EK-50 by adding authentic Latin Styles ranging from Modern Latin Dance, Mariachi and Banda to Salsa, Cumbia and more. The 61-key EK-50 CSA is simple to use and allows your musical ideas to evolve effortlessly into complete, ready-to-play songs, with auto-musical accompaniment that follows your chord changes. Styles provide an entire backing band as you play the keyboard, and high-quality sounds inspire you to add phrases as they come to mind.The EK-50 CSA adds sounds including trumpets, saxophones, brass, guitar, bass and even specialty instruments such as Sampoña and Charango.