Singing Pop Art Pinback Button Posted on 2012/08/13 by admin Singing Pop Art. If Singing is your hobby, occupation, or obsession, show it with great Singing t-shirts, mugs, stickers, and more. They're also great gifts for other Singing fans! product tags: choir, singer, conductor, leader, woman, vocalist, song, voice, notes, pop, why, sciencewillprevail, buttons,