O'Kelly Isley, Jr. (December 25, 1937-March 31, 1986) was one of the original members of the legendary family group, The Isley Brothers. Performing backup to younger brother Ronald's searing vocals, Isley would later served as one of the group's most flamboyant members before suddenly dying of a heart-attack on March 31, 1986 shortly after the Isleys released their "Masterpiece" album. His brothers Ronald and Rudolph (another original member) released their 1987 album, "Smooth Sailing", in tribute to him. He was posthomously inducted to the Rock & Roll Hall of Fame with his brothers in 1992. December 25 is the 359th day of the year (360th in leap years) in the Gregorian Calendar, with 6 days remaining. ... 1937 (MCMXXXVII) was a common year starting on Friday (link will take you to calendar). ... March 31 is the 90th day of the year in the Gregorian Calendar (91st in Leap years), with 275 days remaining. ... 1986 (MCMLXXXVI) is a common year starting on Wednesday of the Gregorian calendar. ... The Isley Brothers are a hugely popular African-American group of brothers from Cincinnati, Ohio. ... March 31 is the 90th day of the year in the Gregorian Calendar (91st in Leap years), with 275 days remaining. ... 1986 (MCMLXXXVI) is a common year starting on Wednesday of the Gregorian calendar. ... 1987 (MCMLXXXVII) is a common year starting on Thursday of the Gregorian calendar. ... The Rock and Roll Hall of Fame, showing Lake Erie in the background The Rock and Roll Hall of Fame and Museum is a museum in Cleveland, Ohio, United States, dedicated, as the name suggests, to recording the history of some of the best-known and most influential rock and... 1992 (MCMXCII in Roman) was a leap year starting on Wednesday. ...