Seeking a new challenge, he moved to London he become a soloist in the late 1960s. Initially the star attraction in the Restaurante Antonio in Covent Garden, Peña got so much interest that he soon found himself sharing concerts with stars. He made his solo debut at Wigmore Hall in 1967. It was not long before Peña was touring the world, both as a soloist and an accompanist with performances at Carnegie Hall in New York City, the Royal Albert Hall in London and the Concertgebouw in Amsterdam. 