PITTSBURGH, Feb. 2, 2017 /PRNewswire/ -- Ainsworth Pet Nutrition, manufacturer of the Rachael Ray™ Nutrish® line of pet food and treats, announced today that it has partnered with Spotify to sponsor four of the music streaming service's popular playlists throughout 2017 as part of its "Moments that Matter" campaign.  Rachael Ray Nutrish is the first of its competitors to advertise with Spotify in this capacity.