40 Watt Sun is the new 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, best known as the guitarist and founder-member of London-based band The River, and bass player William Spong.

The music is characterized by distorted guitars, down-tempo rhythms and strong melodies, and by Patrick Walker's introspective lyrical themes and poignant vocals.