DJ Earworm's annual "United States of Pop" mashups became season events, with his 2009 edition alone garnering critical acclaim as well as racking up more than 53 million views on YouTube. #1 Sobreponha as Músicas: Combine elementos como vocais por uma faixa usando os instrumentais de outra. Experimente variados arranjos https://youtu.be/yp-vavZbHJw