Final answer:
The Bob Dylan single known for its lengthy runtime and labeled the "greatest song of all time" by Rolling Stone magazine is "Like a Rolling Stone."
Step-by-step explanation:
The Bob Dylan single from 1965 that was voted the "greatest song of all time" by Rolling Stone magazine and upended the rules for radio play with its full six minute, 13 second running time is "Like a Rolling Stone."
Dylan refused to release an abridged version, challenging the traditional radio format that favored shorter songs. This act exemplified his non-conformist approach to music and further positioned him as a major figure in the cultural landscape of the 1960s.
His songs often addressed social and political issues, making him a voice of a generation that sought change and rebelled against established norms.