Pat Metheny"s 1999 duo collaboration with Jim Hall, whom Metheny has called the "father of modern guitar playing," features 17 tracks reissued for the first time on Nonesuch - original tunes from each guitarist, several improvisations captured in the studio, plus six tunes recorded live in concert, including Gershwin"s "Summertime." "The excellence of the playing is the heart of the matter," says the Philadelphia Inquirer. "It"s a privilege to listen in." The Los Angeles Times calls it "extraordinary."