1944–1948: New York City and the bebop years / 1948–1950: Miles Davis Nonet and Birth of the Cool / 1949–1955: Signing with Prestige, heroin addiction, and hard bop / 1955–1959: Signing with Columbia, first quintet, and modal jazz / 1957–1963: Collaborations with Gil Evans and Kind of Blue / 1963–1968: Second quintet / 1968–1975: The electric period / 1975–1980: Hiatus / 1980–1985: Comeback / Final years: Death.