Robert Shelton (critic) his Dylan biography, "No Direction Home, The Life and Music of Bob Dylan" which was finally published in 1986, after years of arguments with publishers about the style and length of the work. Shelton's intention from the outset was to write a serious cultural study, not a showbiz biography; as a result, he later said his life's work had been "abridged over troubled waters". The title is taken from the lyric of Dylan's hit single, "Like a Rolling Stone". The same title, "No Direction Home", was used by Martin Scorsese for his 2005 documentary film about Dylan's career from the
Bob Dylan complex composition "A Hard Rain's a-Gonna Fall", alongside several other enduring songs of the era. For many of these songs he adapted the tunes and sometimes phraseology of older folk songs. Dylan went on to release the politically charged "The Times They Are a-Changin'" and the more lyrically abstract and introspective "Another Side of Bob Dylan" in 1964. In 1965 and 1966, Dylan encountered controversy when he adopted the use of electrically amplified rock instrumentation and in the space of 15 months recorded three of the most important and influential rock albums of the 1960s, "Bringing It All Back Home",