Listen to Rain for Study Focus and Concentration: Enhance Productivity with Relaxing Rainfall online. Rain for Study Focus and Concentration: Enhance Productivity with Relaxing Rainfall is an Instrumental language song and is sung by Jefferson Hamilton. Rain for Study Focus and Concentration: Enhance Productivity with Relaxing Rainfall, from the album Rainy Refuge - Relaxing Music for Escape and Relaxation: ASMR Nature Rain, was released in the year 2024. The duration of the song is 2:02. Download Instrumental songs online from JioSaavn.