The Australian musician and singer-songwriter Geoffrey Gurrumul Yunupingu, who goes by simply Gurrumul, is an international star. He has sung a duet with Sting, performed for Britain's Royal Family and President Obama and even graced the cover of Rolling Stone, who called him "Australia's most important voice." That's remarkable for a man who was born blind, is extremely shy and doesn't speak much English.
If you're a classical guitarist, it may be impossible to resist the pull of one iconic piece: the Concierto de Aranjuez by Spanish composer Joaquín Rodrigo. Many musicians regard it as the holy grail of guitar repertoire, including a man so big in the classical world he is known by only one name: Milos.