Flaco Jiménez, master of the accordion and pioneer of tejano music, has died at the age of 86.

“It is with great sadness that we share tonight the loss of our father, Flaco Jimenez,” reads a post from his family on Facebook. “He was surrounded by his loved ones and will be missed immensely. Thank you to all of his fans and friends – those who cherished his music. And a big thank you for all of the memories. His legacy will live on through his music and all of his fans.”

The cause of death is unknown but a January post from his family stated that he was “in the