Listen to Grumble online. Grumble is an English language song and is sung by Llort Jr, Eru Takes a Flight to Tokyo, Elektronikai, Industrial Starlight and Zarqnon the Embarrassed. Grumble, from the album Experimental Electronic Vol yyz (Strange Electronic Experiments blending Darkwave, Industrial, Chaos, Ambient, Classical and Celtic Influences), was released in the year 2017. The duration of the song is 2:00. Download English songs online from JioSaavn.