Listen to Numb (Slowed + Reverb) online. Numb (Slowed + Reverb) is an Instrumental language song and is sung by slow demon, Hyper Slow and Mr Demon. Numb (Slowed + Reverb), from the album Numb, was released in the year 2024. The duration of the song is 2:18. Download Instrumental songs online from JioSaavn.