 But in 2014 he signed a contract with Deutsche Grammophon to release recordings of some of his live performances, and in 2015 he released a 2-CD live Salzburg recital featuring two sonatas by Mozart, Chopin's cycle of 24 Preludes, and encore pieces by Scriabin, Chopin, Rameau and Bach.In March 2009, Sokolov cancelled a planned concert in London because of British visa requirements demanding that all non-E.U.workers provide fingerprints and eye prints with every visa application (he also cancelled his 2008 concert on seemingly similar grounds).