Listen to Focused Rain Sounds for Improved Concentration online. Focused Rain Sounds for Improved Concentration is an Instrumental language song and is sung by Jefferson Hamilton. Focused Rain Sounds for Improved Concentration, from the album Tranquil Treasure - Soothing Sounds for Relaxation and Calm: ASMR Nature Rain, was released in the year 2024. The duration of the song is 2:04. Download Instrumental songs online from JioSaavn.