Listen to $All I Know$ by Brad Lee on Artist Sounds. Hip-Hop recording artist Brad Lee is looking to make a big name for himself with his new single "$All I Know$ on Souncloud. Brad Lee is a 22 year old artist who was born and raised in Boston a city in Massachusetts. Musician Brad Lee has released 2 mixtapes on DatPiff for his loyal music fans to go listen to. Connect with Brad Lee on Instagram to see his recent photos and videos.