Listen to Colosseum Calm: Historical Rain Ambiance for Studying online. Colosseum Calm: Historical Rain Ambiance for Studying is an Instrumental language song and is sung by Jefferson Hamilton. Colosseum Calm: Historical Rain Ambiance for Studying, from the album Cedar Grove Rain Sounds for Meditation, Relaxation, and Tranquil Forest Sleep, was released in the year 2024. The duration of the song is 2:07. Download Instrumental songs online from JioSaavn.