Leonard Cohen was a Canadian singer-songwriter, poet, and novelist known for his baritone voice and folk music style with elements of pop, cabaret, and world music. His lyrics often engaged with themes of love, politics, religion, and personal isolation. His most notable song, "Hallelujah," has been covered by numerous artists in various languages. Cohen's significant influence on music history and his distinctive poetic lyrical style have earned him a place in both the Canadian Music Hall of Fame and the Rock and Roll Hall of Fame.