Mac DeMarco was one of the lucky people to join Red Hot Chili Peppers bassist Flea and Anderson .Paak on stage for a monster jam session in Buenos Aires.

“Incredible fragment of what was the Free Nations Jam Club, an extraordinary night of spontaneous improvisation with Anderson Paak, The Free Nationals, Flea (RHCP), Mac DeMarco and the entire crew of Jam Club Ba in El Emergente Almagro,” the video description reads.

“We selected a piece of improvisation for them to enjoy and remember that magical and unforgettable night for us and for you,” they added. The improvisation part is certainly key as there’s no real method to the session, both Flea and Anderson .Paak leading the jam into varying different genres.

While DeMarco didn’t feature in this song, he can be seen stood being .Paak with a trademark smile on his face: