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 Grayson Hampton. Rain for Study Focus and Concentration: Enhance Productivity with Relaxing Rainfall, from the album Calming Calliope - Peaceful Sounds for Mindfulness and Focus: ASMR Nature Rain, was released in the year 2024. The duration of the song is 2:04. Download Instrumental songs online from JioSaavn.