Original sentence: To celebrate the 80th birthdays of both Laine and Dankworth, Union Square Music released the four disc box set I Hear Music – the most comprehensive examination of their careers yet assembled: Disc 1: Early Days (1944–56), Disc 2: John, Big Band and the Movies (1956–74), Disc 3: Focus On Cleo (1955–91), Disc 4: A Family Affair (including recordings made with their children, Alec and Jacqui, from 1982 to 2005)
Edited sentence: To celebrate the 80th birthdays of both Laine and Dankworth, Union Square Music released the four disc box set I Hear Music – the most comprehensive and lovingly produced examination of their careers ever assembled: Disc 1: Early Days (1944–56), Disc 2: John, Big Band and the Movies (1956–74), Disc 3: Focus On Cleo (1955–91), Disc 4: A Family Affair (including recordings made with their children, Alec and Jacqui, from 1982 to 2005)