How long would it take to sing “A Trillion Bottles of Beer on the Wall“???  This hilarious entertainment app will sing “99 Bottles of Beer on the Wall” starting at any number up to one vigintillion (1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000), and will tell you how long it would take to sing it. Just listen or sing along – [...]