Complex sentence: Upon hearing of the "Tribute" for the first time in 2004, Yoko Ono invited Raiola to contribute to her book, "Memories of John Lennon" Raiola has produced and appeared in the Tribute for 37 consecutive years.
Split into simpler sentences: Upon hearing of the Tribute for the first time in 2004, Yoko Ono invited Raiola to contribute to her book, "Memories of John Lennon." Raiola has produced and appeared in the Tribute for 37 consecutive years.