Pettinellis is a Alternative rock band formed in Santiago, Chile by singer-songwriter Álvaro Henríquez. In 2000, after the disband of the popular Chilean rock band Los Tres, lead vocalist Álvaro Henríquez decided to start a new musical project. Later that same year, along with Camilo Salinas, Nicolás Torres and Pedro Araneda (originally it was Cristián Espiñeira, but later replaced) he formed this new band, named Pettinellis after his mother's lastname.

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