Steven Tyler on 'Idol' Could Be 'Positive' for Aerosmith, Says Drummer
Steven Tyler on 'Idol' Could Be 'Positive' for Aerosmith, Says Drummer

Aerosmith cancelled its show at the Sleep Train Pavilion in Concord, Calif. Wednesday night due to what TMZ is reporting as complications with drummer Joey Kramer's heart.

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On its Facebook page, the venue cited "illness" as the reason behind the cancellation. 

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A member of Aerosmith's crew also reportedly told TMZ the 64-year-old Kramer will undergo heart surgery and the website stated the band's show Saturday in George, Wash. will be cancelled as a result. However, Live Nation is currently still selling tickets to that event.