The Jackson 5's exuberant and funky pop-soul hits made them one of the biggest pop phenomena of the early '70s, and as the Jacksons, they thrived well into the next decade with a record-breaking tour that enhanced their legacy of high-caliber showmanship. Launched to fame in 1970 with the consecutive number one pop hits "I Want You Back," "ABC," "The Love You Save," and "I'll Be There," the siblings were the last great group to come from Motown's hitmaking machine before Marvin Gaye and Stevie Wonder shifted the label's focus to more individual visions. A departure from the ty...