The guitarist of Starship died suddenly after a concert on Sunday night.
Mark Abrahamian, lead guitarist, died at the age of 46, the band announced Monday.
Starship opened the Beaumont Summer Concert Series on July 4.
The Associated Press reports that Abrahamian died of a heart attack following a show in Norfolk, Neb., collapsing in his dressing room. He was pronounced dead at the hospital.
The band tweeted: "We are shocked and saddened at the sudden loss of our guitar player Mark Abrahamian. We will miss you, brother. Rest in peace, Mark."
The Starship facebook page reads:
"We are all shocked and saddened at the sudden loss of our guitar player Mark Abrahamian. Mark was a kind, thoughtful and innovative soul. He was also a friend and family member. Mark also happened to be one hell of a guitar player. We are devastated by the loss of our brother and just dealing with it the best we can."
Abrahamian joined Starship in 2000.