Their classic "Four Strong Winds" is widely considered to be one of the greatest songs of all time. Bob Dylan, Gordon Lightfoot, Neil Young, Leonard...

Their classic "Four Strong Winds" is widely considered to be one of the greatest songs of all time. Bob Dylan, Gordon Lightfoot, Neil Young, Leonard Cohen, and Joni Mitchell count among their admirers. Their music, including hits like "You Were On My Mind" and "Someday Soon," has been recorded by everyone from Dylan and Johnny Cash to Sarah McLachlan and The Tragically Hip. Their influence on music -- has endured over generations and surpassed genres. Yet until now, we have known little of the story behind the folk sensations Ian & Sylvia. In Four Strong Winds, John Einarson takes us back to the duo's early days in Toronto coffeehouses, to their experiences at the heart of the vibrant 1960s Greenwich Village folk scene, and beyond, as their personal and musical partnership continued to change and evolve. Based on Ian and Sylvia Tyson's own personal reflections as well as on the recollections of contemporaries, associates, and admirers, Four Strong Winds is the definitive account of this iconic musical duo and a window on a fascinating period in music history.