 It developed into an important form of programme music in the second half of the 19th century.The first 12 symphonic poems were composed in the decade 1848–58 (though some use material conceived earlier); one other, "Von der Wiege bis zum Grabe" ("From the Cradle to the Grave"), followed in 1882.Liszt's intent, according to Hugh MacDonald in "The New Grove Dictionary of Music and Musicians", was for these single-movement works "to display the traditional logic of symphonic thought."