Listen to Rainy Day Focus: Enhance Concentration with the Sounds of Rain online. Rainy Day Focus: Enhance Concentration with the Sounds of Rain is an Instrumental language song and is sung by Celia Callahan. Rainy Day Focus: Enhance Concentration with the Sounds of Rain, from the album Eepytime Serenity - Gentle Music for Deep Sleep: ASMR Nature Rain, was released in the year 2024. The duration of the song is 2:03. Download Instrumental songs online from JioSaavn.