"Do It Again" is a song by American singer Pia Mia featuring Chris Brown and Tyga. It was released on May 4, 2015, through Wolfpack and Interscope Records. Mia recorded "Do It Again" in 2013, when she decided to sample J Boog's 2011 song "Let's Do It Again" after attending his concert in Guam. Brown and Tyga asked Mia to be included on the song when it was played in a studio session in 2014. It was written by Mia, Jerry Afemata, George Veikoso, Marc Griffin, Tyga, and the producer Nic Nac. "Do It Again" is a pop and R&B song, with a mix of hip hop and electronic dance music genres. The lyrics include references to Guamanian culture such as Two Lovers Point. Music critics described it as a "summer song".