 In 2004 he toured the United States and Canada with Seville flamenco singer La Tana , but subsequently greatly reduced his live performances in public . He retired from full touring , and would only give a few concerts a year , usually in Spain and Germany and at European festivals during the summer months . Pohren described de Lucía as " extremely timid and retiring " , saying that , " Being a very private person , [ he ] was dismayed at the ensuing popularity and <unk> , and the increased pressure fame placed upon his shoulders , demanding that he constantly innovate and work harder to achieve technical and revolutionary perfection . " 
