Ignacio Varchausky is a musician, producer, researcher, and educator who has been working in tango for over twenty-five years. He is the creator and artistic director of the Orquesta Escuela de Tango Emilio Balcarce; the founder of Orquesta El Arranque and the nonprofit organization TangoVia; and the author of the performance-practice booksThe Bass in Tango (2016) and The Art of Tango (2021).His YouTube seminar, “Los Estilos Fundamentales del Tango,” and personal website www.ignaciovarchausky.com are followed on social media by tango musicians, dancers, and aficionados from all over the world.