40 Watt Sun is the music project of singer/guitarist/songwriter Patrick Walker, best known for his previous band, Warning. 40 Watt Sun sees Patrick Walker accompanied by drummer/percussionist Christian Leitch, previously best known as the guitarist and founder-member of London-based band The River, and bass player William Spong. They made their live debut at a small, intimate show at the scream lounge, London, on the 20th December 2009 playing with the London-based band Wake.