Watch a previously unreleased Mac Miller freestyle from 2010

Hip-hop music site Masked Gorilla has released new footage of Mac Miller freestyling in 2010. Watch it above via Complex. The freestyle was shot during an interview when Miller was still a senior in high school, before he would debut his career-launching mixtape K.I.D.S.

Mac Miller passed away on September 7 from a reported overdose. He was 26, and had released his fifth album Swimming a month prior. A tribute concert, Mac Miller: A Celebration of Life, will be live-streamed in full on October 31. It will include performances from Travis Scott, Vince Staples, ScHoolboy Q, Thundercat, Ty Dolla $ign, and more.