Classical guitar was playing in concerts around the world, popularizing his modern classical guitar, as well as a new style of music in the 1920s: Spanish romantic-modern style with guitar works by Moreno Torroba, de Falla, etc. Some people consider it to have been this influence of Segovia which led to the domination of the Torres instrument. Factories all over the world began producing them in large numbers. It was the 19th century classical guitarist Francisco Tárrega who first popularized the Torres design as a classical solo instrument. Composers of the Renaissance period who wrote for four course guitar include Alonso Mudarra,
Classical guitar by audiences in the USA. The classical guitar repertoire also includes modern contemporary works – sometimes termed "New Music" – such as Elliott Carter's "Changes", Cristóbal Halffter's "Codex I", Luciano Berio's "Sequenza XI", Maurizio Pisati's "Sette Studi", Maurice Ohana's "Si Le Jour Paraît", Sylvano Bussotti's "Rara (eco sierologico)", Ernst Krenek's "Suite für Guitarre allein, Op. 164", Franco Donatoni's "Algo: Due pezzi per chitarra", etc. Performers who are known for including modern repertoire include Jürgen Ruck, Elena Càsoli, Leo Brouwer (when he was still performing), John Schneider, Reinbert Evers, Maria Kämmerling, Siegfried Behrend, David Starobin, Mats Scheidegger, Magnus Andersson, etc. This