Listen to Peaceful Rain Study Focus: Improve Concentration and Productivity online. Peaceful Rain Study Focus: Improve Concentration and Productivity is an Instrumental language song and is sung by Grayson Hampton. Peaceful Rain Study Focus: Improve Concentration and Productivity, from the album Soothing Symphony - Calming Music for Relaxation and Sleep : ASMR Nature Rain, was released in the year 2024. The duration of the song is 2:02. Download Instrumental songs online from JioSaavn.