KAMELOT‘s Casey Grillo made his live debut with with QUEENSRŸCHE this past Saturday night (April 1) at Sycuan Casino in El Cajon, California. He is filling in for regular QUEENSRŸCHE drummer Scott Rockenfield, who is taking time off from the band’s touring activities to spend time with his newborn son, appropriately named Rockson.

Fan-filmed video footage of the concert can be seen below.

Said Grillo: “It has been an amazing few days of practicing and learning some amazing songs for me to pull this show off’ I would like to thank the ‘RŸCHE gang. They are some amazing dudes.”

QUEENSRŸCHE is preparing to enter the studio to begin work on the follow-up to 2015’s “Condition Hüman” album, to be released later in the year via Century Media.

“Condition Hüman” debuted at No. 27 on The Billboard 200 chart, having shifted 14,000 equivalent album units in the week ending October 8, 2015.

QUEENSRŸCHE last fall completed a month-long headlining tour of the United States. Support on the trek came from ARMORED SAINT and MIDNIGHT ETERNAL.