Coby had contracted the B strain of flu.
Sheeran was one of Coby's favourite singers and his parents want a song played at his funeral.
The Shed near Clevedon has been attracting thousands of bands and singers over the years despite being only 10 feet by 8.
GMB's Richard Arnold interviews the pop star and asks him about his uncanny resemblance to two-year-old Isla Watson from Exeter
Meet Isla Watson - the toddler who could be the world's youngest Ed Sheeran lookalike.
The singer was in Bristol last night at The Fleece to raise money for vulnerable women in the city.