The upbeat gospel track, which also features vocals from Beyonce Knowles and Kelly Rowland, will appear in Williams' upcoming solo album 'Journey to Freedom'.
Debuted on Philadelphia's "Praise Philly" radio station, "Say Yes" is an uplifting gospel tune with some contemporary EDM effects. In it, the girls can be heard singing, "When Jesus say yes, nobody can say no."
A music video for the track is apparently coming out soon. The trio recently reunited to shoot the visuals in Maplewood, New Jersey. A fan who was in the area took a video of Beyonce arriving on filming set and later posted it on Instagram.
"Say Yes" marks the third track featuring the Destiny's Child members that was released after the group split in 2006. The girls previously joined forces for "Nuclear" that was lifted from their compilation album "Love Songs" and "You've Changed" from Rowland's "Talk a Good Game" LP.
"Say Yes" will appear in Williams' upcoming fourth solo album "Journey to Freedom", which is expected to be released later this year.
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