Listen to Concentrate with Rain Sounds: Improve Focus and Productivity with Rain online. Concentrate with Rain Sounds: Improve Focus and Productivity with Rain is an Instrumental language song and is sung by Jefferson Hamilton. Concentrate with Rain Sounds: Improve Focus and Productivity with Rain, 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 2:03. Download Instrumental songs online from JioSaavn.