Grammy Award winning producer/songwriter Tony Dixon has been using SampleTank as part of his creative arsenal for years, so we are always excited to have him stop by to share his secrets to songwriting with SampleTank 4. With credits that include Beyonce, Justin Bieber, Ariana Grande, Chris Brown, Justin Timberlake, Janet Jackson and so many more, his insight is always valuable to the beginner and the advanced user alike..