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David Foster and Diane Nini were the collaborators behind "Glory Of Love," the chart-topping hit popularized by Peter Cetera. Foster, a renowned producer and musician, crafted the song's memorable production, while Nini, a talented lyricist, contributed to the composition of the song's touching verses and chorus. Their combined efforts resulted in a song that resonated with listeners and solidified Peter Cetera's status as a musical icon.