Listen to Variation No. 2 (Soothing Music for Cognitive Development) online. Variation No. 2 (Soothing Music for Cognitive Development) is an Unknown language song and is sung by Playful Baby Club. Variation No. 2 (Soothing Music for Cognitive Development), from the album Mozart for Children - Baby Music & Playful Classical Songs, Effect for Learning Kids & Childrens, Soothing Music for Cognitive Development, Beautiful Piano Music, was released in the year 2015. The duration of the song is 3:59. Download Unknown songs online from JioSaavn.